Basin Number and Name | County |
|---|---|
100 - New England Province | ADDISON, VT (1) |
| ANDROSCOGGIN, ME (1) |
| AROOSTOOK, ME (3) |
| BELKNAP, NH (1) |
| BENNINGTON, VT (3) |
| BERKSHIRE, MA (3) |
| BRISTOL, MA (5) |
| BRISTOL, RI (1) |
| BRONX, NY (5) |
| CALEDONIA, VT (5) |
| CARROLL, NH (3) |
| CHESHIRE, NH (5) |
| CHITTENDEN, VT (7) |
| COLUMBIA, NY (21) |
| COOS, NH (7) |
| CUMBERLAND, ME (5) |
| DUTCHESS, NY (27) |
| ESSEX, MA (9) |
| ESSEX, VT (9) |
| FAIRFIELD, CT (1) |
| FRANKLIN, MA (11) |
| FRANKLIN, ME (7) |
| FRANKLIN, VT (11) |
| GRAFTON, NH (9) |
| GRAND ISLE, VT (13) |
| HAMPDEN, MA (13) |
| HAMPSHIRE, MA (15) |
| HANCOCK, ME (9) |
| HARTFORD, CT (3) |
| HILLSBOROUGH, NH (11) |
| KENNEBEC, ME (11) |
| KENT, RI (3) |
| KNOX, ME (13) |
| LAMOILLE, VT (15) |
| LINCOLN, ME (15) |
| LITCHFIELD, CT (5) |
| MERRIMACK, NH (13) |
| MIDDLESEX, CT (7) |
| MIDDLESEX, MA (17) |
| NEW HAVEN, CT (9) |
| NEW LONDON, CT (11) |
| NEWPORT, RI (5) |
| NORFOLK, MA (21) |
| ORANGE, VT (17) |
| ORLEANS, VT (19) |
| OXFORD, ME (17) |
| PENOBSCOT, ME (19) |
| PISCATAQUIS, ME (21) |
| PLYMOUTH, MA (23) |
| PROVIDENCE, RI (7) |
| PUTNAM, NY (79) |
| RENSSELAER, NY (83) |
| ROCKINGHAM, NH (15) |
| ROCKLAND, NY (87) |
| RUTLAND, VT (21) |
| SAGADAHOC, ME (23) |
| SOMERSET, ME (25) |
| STRAFFORD, NH (17) |
| SUFFOLK, MA (25) |
| SULLIVAN, NH (19) |
| TOLLAND, CT (13) |
| WALDO, ME (27) |
| WASHINGTON, ME (29) |
| WASHINGTON, NY (115) |
| WASHINGTON, RI (9) |
| WASHINGTON, VT (23) |
| WESTCHESTER, NY (119) |
| WINDHAM, CT (15) |
| WINDHAM, VT (25) |
| WINDSOR, VT (27) |
| WORCESTER, MA (27) |
| YORK, ME (31) |
110 - Adirondack Uplift | CLINTON, NY (19) |
| ESSEX, NY (31) |
| FRANKLIN, NY (33) |
| FULTON, NY (35) |
| HAMILTON, NY (41) |
| HERKIMER, NY (43) |
| ST LAWRENCE, NY (89) |
| WARREN, NY (113) |
120 - Atlantic Coast Basin | ACCOMACK, VA (1) |
| AIKEN, SC (3) |
| ALLENDALE, SC (5) |
| ANNE ARUNDEL, MD (3) |
| ANSON, NC (7) |
| ARLINGTON, VA (13) |
| ATLANTIC, NJ (1) |
| BALTIMORE CITY, MD (510) |
| BAMBERG, SC (9) |
| BARNSTABLE, MA (1) |
| BARNWELL, SC (11) |
| BEAUFORT, NC (13) |
| BEAUFORT, SC (13) |
| BERKELEY, SC (15) |
| BERTIE, NC (15) |
| BLADEN, NC (17) |
| BRUNSWICK, NC (19) |
| BURLINGTON, NJ (5) |
| CALHOUN, SC (17) |
| CALVERT, MD (9) |
| CAMDEN, NC (29) |
| CAMDEN, NJ (7) |
| CAPE MAY, NJ (9) |
| CAROLINE, MD (11) |
| CAROLINE, VA (33) |
| CARTERET, NC (31) |
| CECIL, MD (15) |
| CHARLES CITY, VA (36) |
| CHARLES, MD (17) |
| CHARLESTON, SC (19) |
| CHESAPEAKE CITY, VA (550) |
| CHESTERFIELD, SC (25) |
| CHOWAN, NC (41) |
| CLARENDON, SC (27) |
| COLLETON, SC (29) |
| COLUMBUS, NC (47) |
| CRAVEN, NC (49) |
| CUMBERLAND, NC (51) |
| CUMBERLAND, NJ (11) |
| CURRITUCK, NC (53) |
| DARE, NC (55) |
| DARLINGTON, SC (31) |
| DILLON, SC (33) |
| DISTRICT OF COLUMBIA, DC (1) |
| DORCHESTER, MD (19) |
| DORCHESTER, SC (35) |
| DUKES, MA (7) |
| DUPLIN, NC (61) |
| EDGECOMBE, NC (65) |
| ESSEX, VA (57) |
| FLORENCE, SC (41) |
| GATES, NC (73) |
| GEORGETOWN, SC (43) |
| GLOUCESTER, NJ (15) |
| GLOUCESTER, VA (73) |
| GREENE, NC (79) |
| HALIFAX, NC (83) |
| HAMPTON CITY, VA (650) |
| HAMPTON, SC (49) |
| HANOVER, VA (85) |
| HENRICO, VA (87) |
| HERTFORD, NC (91) |
| HOKE, NC (93) |
| HOPEWELL CITY, VA (670) |
| HORRY, SC (51) |
| HYDE, NC (95) |
| ISLE OF WIGHT, VA (93) |
| JAMES CITY, VA (95) |
| JASPER, SC (53) |
| JONES, NC (103) |
| KENT, DE (1) |
| KENT, MD (29) |
| KING AND QUEEN, VA (97) |
| KING GEORGE, VA (99) |
| KING WILLIAM, VA (101) |
| KINGS, NY (47) |
| LANCASTER, VA (103) |
| LEE, SC (61) |
| LENOIR, NC (107) |
| LEXINGTON, SC (63) |
| MARION, SC (67) |
| MARLBORO, SC (69) |
| MARTIN, NC (117) |
| MATHEWS, VA (115) |
| MIDDLESEX, VA (119) |
| MONMOUTH, NJ (25) |
| NANTUCKET, MA (19) |
| NASSAU, NY (59) |
| NEW CASTLE, DE (3) |
| NEW HANOVER, NC (129) |
| NEW KENT, VA (127) |
| NEWPORT NEWS CITY, VA (700) |
| NORFOLK CITY, VA (710) |
| NORTHAMPTON, NC (131) |
| NORTHAMPTON, VA (131) |
| NORTHUMBERLAND, VA (133) |
| OCEAN, NJ (29) |
| ONSLOW, NC (133) |
| ORANGEBURG, SC (75) |
| PAMLICO, NC (137) |
| PASQUOTANK, NC (139) |
| PENDER, NC (141) |
| PERQUIMANS, NC (143) |
| PITT, NC (147) |
| PORTSMOUTH CITY, VA (740) |
| PRINCE GEORGE, VA (149) |
| PRINCE GEORGES, MD (33) |
| QUEEN ANNES, MD (35) |
| QUEENS, NY (81) |
| RICHLAND, SC (79) |
| RICHMOND CITY, VA (760) |
| RICHMOND, NC (153) |
| RICHMOND, NY (85) |
| RICHMOND, VA (159) |
| ROBESON, NC (155) |
| SALEM, NJ (33) |
| SAMPSON, NC (163) |
| SCOTLAND, NC (165) |
| SOMERSET, MD (39) |
| SOUTHAMPTON, VA (175) |
| ST MARYS, MD (37) |
| SUFFOLK CITY, VA (800) |
| SUFFOLK, NY (103) |
| SUMTER, SC (85) |
| SURRY, VA (181) |
| SUSSEX, DE (5) |
| SUSSEX, VA (183) |
| TALBOT, MD (41) |
| TYRRELL, NC (177) |
| VIRGINIA BEACH CITY, VA (810) |
| WASHINGTON, NC (187) |
| WAYNE, NC (191) |
| WAYNESBORO CITY, VA (820) |
| WESTMORELAND, VA (193) |
| WICOMICO, MD (45) |
| WILLIAMSBURG CITY, VA (830) |
| WILLIAMSBURG, SC (89) |
| WILSON, NC (195) |
| WORCESTER, MD (47) |
| YORK, VA (199) |
130 - S.GA Sedimentary Prov | APPLING, GA (1) |
| ATKINSON, GA (3) |
| BACON, GA (5) |
| BAKER, GA (7) |
| BARBOUR, AL (5) |
| BAY, FL (5) |
| BEN HILL, GA (17) |
| BERRIEN, GA (19) |
| BIBB, GA (21) |
| BLECKLEY, GA (23) |
| BRANTLEY, GA (25) |
| BROOKS, GA (27) |
| BRYAN, GA (29) |
| BULLOCH, GA (31) |
| BURKE, GA (33) |
| CALHOUN, FL (13) |
| CALHOUN, GA (37) |
| CAMDEN, GA (39) |
| CANDLER, GA (43) |
| CHARLTON, GA (49) |
| CHATHAM, GA (51) |
| CHATTAHOOCHEE, GA (53) |
| CLAY, GA (61) |
| CLINCH, GA (65) |
| COFFEE, AL (31) |
| COFFEE, GA (69) |
| COLQUITT, GA (71) |
| COOK, GA (75) |
| CRAWFORD, GA (79) |
| CRISP, GA (81) |
| DALE, AL (45) |
| DECATUR, GA (87) |
| DODGE, GA (91) |
| DOOLY, GA (93) |
| DOUGHERTY, GA (95) |
| EARLY, GA (99) |
| ECHOLS, GA (101) |
| EFFINGHAM, GA (103) |
| EMANUEL, GA (107) |
| EVANS, GA (109) |
| FRANKLIN, FL (37) |
| GADSDEN, FL (39) |
| GENEVA, AL (61) |
| GLASCOCK, GA (125) |
| GLYNN, GA (127) |
| GRADY, GA (131) |
| GULF, FL (45) |
| HENRY, AL (67) |
| HOLMES, FL (59) |
| HOUSTON, AL (69) |
| HOUSTON, GA (153) |
| IRWIN, GA (155) |
| JACKSON, FL (63) |
| JEFF DAVIS, GA (161) |
| JEFFERSON, FL (65) |
| JEFFERSON, GA (163) |
| JENKINS, GA (165) |
| JOHNSON, GA (167) |
| LANIER, GA (173) |
| LAURENS, GA (175) |
| LEE, GA (177) |
| LEON, FL (73) |
| LIBERTY, FL (77) |
| LIBERTY, GA (179) |
| LONG, GA (183) |
| LOWNDES, GA (185) |
| MACON, GA (193) |
| MARION, GA (197) |
| MC INTOSH, GA (191) |
| MILLER, GA (201) |
| MITCHELL, GA (205) |
| MONTGOMERY, GA (209) |
| MUSCOGEE, GA (215) |
| PEACH, GA (225) |
| PIERCE, GA (229) |
| PIKE, AL (109) |
| PULASKI, GA (235) |
| QUITMAN, GA (239) |
| RANDOLPH, GA (243) |
| RICHMOND, GA (245) |
| RUSSELL, AL (113) |
| SCHLEY, GA (249) |
| SCREVEN, GA (251) |
| SEMINOLE, GA (253) |
| STEWART, GA (259) |
| SUMTER, GA (261) |
| TATTNALL, GA (267) |
| TAYLOR, GA (269) |
| TELFAIR, GA (271) |
| TERRELL, GA (273) |
| THOMAS, GA (275) |
| TIFT, GA (277) |
| TOOMBS, GA (279) |
| TREUTLEN, GA (283) |
| TURNER, GA (287) |
| TWIGGS, GA (289) |
| WAKULLA, FL (129) |
| WARE, GA (299) |
| WASHINGTON, FL (133) |
| WASHINGTON, GA (303) |
| WAYNE, GA (305) |
| WEBSTER, GA (307) |
| WHEELER, GA (309) |
| WILCOX, GA (315) |
| WILKINSON, GA (319) |
| WORTH, GA (321) |
140 - Florida Platform | ALACHUA, FL (1) |
| BAKER, FL (3) |
| BRADFORD, FL (7) |
| BREVARD, FL (9) |
| BROWARD, FL (11) |
| CHARLOTTE, FL (15) |
| CITRUS, FL (17) |
| CLAY, FL (19) |
| COLLIER, FL (21) |
| COLUMBIA, FL (23) |
| DADE, FL (25) |
| DE SOTO, FL (27) |
| DIXIE, FL (29) |
| DUVAL, FL (31) |
| FLAGLER, FL (35) |
| GILCHRIST, FL (41) |
| GLADES, FL (43) |
| HAMILTON, FL (47) |
| HARDEE, FL (49) |
| HENDRY, FL (51) |
| HERNANDO, FL (53) |
| HIGHLANDS, FL (55) |
| HILLSBOROUGH, FL (57) |
| INDIAN RIVER, FL (61) |
| LAFAYETTE, FL (67) |
| LAKE, FL (69) |
| LEE, FL (71) |
| LEVY, FL (75) |
| MADISON, FL (79) |
| MANATEE, FL (81) |
| MARION, FL (83) |
| MARTIN, FL (85) |
| MONROE, FL (87) |
| NASSAU, FL (89) |
| OKEECHOBEE, FL (93) |
| ORANGE, FL (95) |
| OSCEOLA, FL (97) |
| PALM BEACH, FL (99) |
| PASCO, FL (101) |
| PINELLAS, FL (103) |
| POLK, FL (105) |
| PUTNAM, FL (107) |
| SARASOTA, FL (115) |
| SEMINOLE, FL (117) |
| ST JOHNS, FL (109) |
| ST LUCIE, FL (111) |
| SUMTER, FL (119) |
| SUWANNEE, FL (121) |
| TAYLOR, FL (123) |
| UNION, FL (125) |
| VOLUSIA, FL (127) |
150 - Piedmont-Blue Ridge Prov | ABBEVILLE, SC (1) |
| ADAMS, PA (1) |
| ALAMANCE, NC (1) |
| ALBEMARLE, VA (3) |
| ALEXANDER, NC (3) |
| ALEXANDRIA CITY, VA (510) |
| ALLEGHANY, NC (5) |
| AMELIA, VA (7) |
| AMHERST, VA (9) |
| ANDERSON, SC (7) |
| APPOMATTOX, VA (11) |
| ASHE, NC (9) |
| AVERY, NC (11) |
| BALDWIN, GA (9) |
| BALTIMORE, MD (5) |
| BANKS, GA (11) |
| BARROW, GA (13) |
| BEDFORD, VA (19) |
| BERGEN, NJ (3) |
| BRUNSWICK, VA (25) |
| BUCKINGHAM, VA (29) |
| BUCKS, PA (17) |
| BUNCOMBE, NC (21) |
| BURKE, NC (23) |
| BUTTS, GA (35) |
| CABARRUS, NC (25) |
| CALDWELL, NC (27) |
| CAMPBELL, VA (31) |
| CARROLL, GA (45) |
| CARROLL, MD (13) |
| CARROLL, VA (35) |
| CARTER, TN (19) |
| CASWELL, NC (33) |
| CATAWBA, NC (35) |
| CHAMBERS, AL (17) |
| CHARLOTTE, VA (37) |
| CHARLOTTESVILLE CITY, VA (540) |
| CHATHAM, NC (37) |
| CHEROKEE, GA (57) |
| CHEROKEE, NC (39) |
| CHEROKEE, SC (21) |
| CHESTER, PA (29) |
| CHESTER, SC (23) |
| CHESTERFIELD, VA (41) |
| CLARKE, GA (59) |
| CLAY, AL (27) |
| CLAY, NC (43) |
| CLAYTON, GA (63) |
| CLEBURNE, AL (29) |
| CLEVELAND, NC (45) |
| COBB, GA (67) |
| COLONIAL HEIGHTS CITY, VA (570) |
| COLUMBIA, GA (73) |
| COOSA, AL (37) |
| COWETA, GA (77) |
| CULPEPER, VA (47) |
| CUMBERLAND, VA (49) |
| DANVILLE CITY, VA (590) |
| DAVIDSON, NC (57) |
| DAVIE, NC (59) |
| DAWSON, GA (85) |
| DE KALB, GA (89) |
| DELAWARE, PA (45) |
| DINWIDDIE, VA (53) |
| DOUGLAS, GA (97) |
| DURHAM, NC (63) |
| EDGEFIELD, SC (37) |
| ELBERT, GA (105) |
| EMPORIA CITY, VA (595) |
| ESSEX, NJ (13) |
| FAIRFAX CITY, VA (600) |
| FAIRFAX, VA (59) |
| FAIRFIELD, SC (39) |
| FALLS CHURCH CITY, VA (610) |
| FANNIN, GA (111) |
| FAUQUIER, VA (61) |
| FAYETTE, GA (113) |
| FLOYD, VA (63) |
| FLUVANNA, VA (65) |
| FORSYTH, GA (117) |
| FORSYTH, NC (67) |
| FRANKLIN, GA (119) |
| FRANKLIN, NC (69) |
| FRANKLIN, VA (67) |
| FREDERICK, MD (21) |
| FREDERICKSBURG CITY, VA (630) |
| FULTON, GA (121) |
| GALAX CITY, VA (640) |
| GASTON, NC (71) |
| GILMER, GA (123) |
| GOOCHLAND, VA (75) |
| GRAHAM, NC (75) |
| GRANVILLE, NC (77) |
| GRAYSON, VA (77) |
| GREENE, GA (133) |
| GREENE, VA (79) |
| GREENSVILLE, VA (81) |
| GREENVILLE, SC (45) |
| GREENWOOD, SC (47) |
| GUILFORD, NC (81) |
| GWINNETT, GA (135) |
| HABERSHAM, GA (137) |
| HALIFAX, VA (83) |
| HALL, GA (139) |
| HANCOCK, GA (141) |
| HARALSON, GA (143) |
| HARFORD, MD (25) |
| HARNETT, NC (85) |
| HARRIS, GA (145) |
| HART, GA (147) |
| HAYWOOD, NC (87) |
| HEARD, GA (149) |
| HENDERSON, NC (89) |
| HENRY, GA (151) |
| HENRY, VA (89) |
| HOWARD, MD (27) |
| HUDSON, NJ (17) |
| HUNTERDON, NJ (19) |
| IREDELL, NC (97) |
| JACKSON, GA (157) |
| JACKSON, NC (99) |
| JASPER, GA (159) |
| JOHNSON, TN (91) |
| JOHNSTON, NC (101) |
| JONES, GA (169) |
| KERSHAW, SC (55) |
| LAMAR, GA (171) |
| LANCASTER, PA (71) |
| LANCASTER, SC (57) |
| LAURENS, SC (59) |
| LEE, AL (81) |
| LEE, NC (105) |
| LINCOLN, GA (181) |
| LINCOLN, NC (109) |
| LOUDOUN, VA (107) |
| LOUISA, VA (109) |
| LUMPKIN, GA (187) |
| LUNENBURG, VA (111) |
| LYNCHBURG CITY, VA (680) |
| MACON, NC (113) |
| MADISON, GA (195) |
| MADISON, NC (115) |
| MADISON, VA (113) |
| MARTINSVILLE CITY, VA (690) |
| MC CORMICK, SC (65) |
| MC DOWELL, NC (111) |
| MC DUFFIE, GA (189) |
| MECKLENBURG, NC (119) |
| MECKLENBURG, VA (117) |
| MERCER, NJ (21) |
| MERIWETHER, GA (199) |
| MIDDLESEX, NJ (23) |
| MITCHELL, NC (121) |
| MONROE, GA (207) |
| MONTGOMERY, MD (31) |
| MONTGOMERY, NC (123) |
| MONTGOMERY, PA (91) |
| MOORE, NC (125) |
| MORGAN, GA (211) |
| MORRIS, NJ (27) |
| NASH, NC (127) |
| NELSON, VA (125) |
| NEW YORK, NY (61) |
| NEWBERRY, SC (71) |
| NEWTON, GA (217) |
| NOTTOWAY, VA (135) |
| OCONEE, GA (219) |
| OCONEE, SC (73) |
| OGLETHORPE, GA (221) |
| ORANGE, NC (135) |
| ORANGE, VA (137) |
| PASSAIC, NJ (31) |
| PATRICK, VA (141) |
| PAULDING, GA (223) |
| PERSON, NC (145) |
| PETERSBURG CITY, VA (730) |
| PHILADELPHIA, PA (101) |
| PICKENS, GA (227) |
| PICKENS, SC (77) |
| PIKE, GA (231) |
| PITTSYLVANIA, VA (143) |
| POLK, NC (149) |
| POWHATAN, VA (145) |
| PRINCE EDWARD, VA (147) |
| PRINCE WILLIAM, VA (153) |
| PUTNAM, GA (237) |
| RABUN, GA (241) |
| RANDOLPH, AL (111) |
| RANDOLPH, NC (151) |
| RAPPAHANNOCK, VA (157) |
| ROCKDALE, GA (247) |
| ROCKINGHAM, NC (157) |
| ROWAN, NC (159) |
| RUTHERFORD, NC (161) |
| SALUDA, SC (81) |
| SOMERSET, NJ (35) |
| SOUTH BOSTON CITY, VA (780) |
| SPALDING, GA (255) |
| SPARTANBURG, SC (83) |
| SPOTSYLVANIA, VA (177) |
| STAFFORD, VA (179) |
| STANLY, NC (167) |
| STEPHENS, GA (257) |
| STOKES, NC (169) |
| SURRY, NC (171) |
| SWAIN, NC (173) |
| TALBOT, GA (263) |
| TALIAFERRO, GA (265) |
| TALLAPOOSA, AL (123) |
| TOWNS, GA (281) |
| TRANSYLVANIA, NC (175) |
| TROUP, GA (285) |
| UNION, GA (291) |
| UNION, NC (179) |
| UNION, NJ (39) |
| UNION, SC (87) |
| UPSON, GA (293) |
| VANCE, NC (181) |
| WAKE, NC (183) |
| WALTON, GA (297) |
| WARREN, GA (301) |
| WARREN, NC (185) |
| WATAUGA, NC (189) |
| WHITE, GA (311) |
| WILKES, GA (317) |
| WILKES, NC (193) |
| YADKIN, NC (197) |
| YANCEY, NC (199) |
| YORK, PA (133) |
| YORK, SC (91) |
160 - Appalachian Basin | ALBANY, NY (1) |
| ASHLAND, OH (5) |
| BOONE, WV (5) |
| BROOME, NY (7) |
| ASHTABULA, OH (7) |
| BLEDSOE, TN (7) |
| ATHENS, OH (9) |
| CAYUGA, NY (11) |
| CABELL, WV (11) |
| CLAY, WV (15) |
| CHENANGO, NY (17) |
| BOYD, KY (19) |
| FAYETTE, WV (19) |
| CORTLAND, NY (23) |
| BREATHITT, KY (25) |
| DELAWARE, NY (25) |
| ERIE, NY (29) |
| COSHOCTON, OH (31) |
| CRAWFORD, OH (33) |
| CUYAHOGA, OH (35) |
| CUMBERLAND, TN (35) |
| JACKSON, WV (35) |
| GENESEE, NY (37) |
| GREENE, NY (39) |
| CRAWFORD, PA (39) |
| KANAWHA, WV (39) |
| DELAWARE, OH (41) |
| CARTER, KY (43) |
| ERIE, OH (43) |
| LINCOLN, WV (43) |
| JEFFERSON, NY (45) |
| FAIRFIELD, OH (45) |
| LOGAN, WV (45) |
| FAYETTE, OH (47) |
| MC DOWELL, WV (47) |
| LEWIS, NY (49) |
| FRANKLIN, OH (49) |
| ERIE, PA (49) |
| FENTRESS, TN (49) |
| CLAY, KY (51) |
| LIVINGSTON, NY (51) |
| FRANKLIN, TN (51) |
| MADISON, NY (53) |
| GALLIA, OH (53) |
| MASON, WV (53) |
| MONROE, NY (55) |
| GEAUGA, OH (55) |
| MONTGOMERY, NY (57) |
| GUERNSEY, OH (59) |
| MINGO, WV (59) |
| GRUNDY, TN (61) |
| ELLIOTT, KY (63) |
| NIAGARA, NY (63) |
| ESTILL, KY (65) |
| ONEIDA, NY (65) |
| ONONDAGA, NY (67) |
| NICHOLAS, WV (67) |
| ONTARIO, NY (69) |
| FLOYD, KY (71) |
| ORLEANS, NY (73) |
| HOCKING, OH (73) |
| OSWEGO, NY (75) |
| HOLMES, OH (75) |
| OTSEGO, NY (77) |
| HURON, OH (77) |
| JACKSON, OH (79) |
| PUTNAM, WV (79) |
| RALEIGH, WV (81) |
| KNOX, OH (83) |
| LAKE, OH (85) |
| LAWRENCE, OH (87) |
| ROANE, WV (87) |
| GREENUP, KY (89) |
| LICKING, OH (89) |
| SARATOGA, NY (91) |
| SCHENECTADY, NY (93) |
| LORAIN, OH (93) |
| SCHOHARIE, NY (95) |
| MADISON, OH (97) |
| SENECA, NY (99) |
| WAYNE, WV (99) |
| MARION, OH (101) |
| MEDINA, OH (103) |
| PIKE, PA (103) |
| SULLIVAN, NY (105) |
| MEIGS, OH (105) |
| WOOD, WV (107) |
| JACKSON, KY (109) |
| WYOMING, WV (109) |
| JOHNSON, KY (115) |
| MORGAN, OH (115) |
| MARION, TN (115) |
| WAYNE, NY (117) |
| MORROW, OH (117) |
| KNOTT, KY (119) |
| MUSKINGUM, OH (119) |
| KNOX, KY (121) |
| WYOMING, NY (121) |
| NOBLE, OH (121) |
| LAUREL, KY (125) |
| LAWRENCE, KY (127) |
| PERRY, OH (127) |
| WAYNE, PA (127) |
| LEE, KY (129) |
| PICKAWAY, OH (129) |
| MORGAN, TN (129) |
| LESLIE, KY (131) |
| PIKE, OH (131) |
| PORTAGE, OH (133) |
| LEWIS, KY (135) |
| RICHLAND, OH (139) |
| ROSS, OH (141) |
| SCIOTO, OH (145) |
| MC CREARY, KY (147) |
| STARK, OH (151) |
| SCOTT, TN (151) |
| MAGOFFIN, KY (153) |
| SUMMIT, OH (153) |
| SEQUATCHIE, TN (153) |
| TRUMBULL, OH (155) |
| TUSCARAWAS, OH (157) |
| MARTIN, KY (159) |
| UNION, OH (159) |
| VINTON, OH (163) |
| MENIFEE, KY (165) |
| WAYNE, OH (169) |
| MORGAN, KY (175) |
| VAN BUREN, TN (175) |
| WHITE, TN (185) |
| OWSLEY, KY (189) |
| PERRY, KY (193) |
| PIKE, KY (195) |
| POWELL, KY (197) |
| ROCKCASTLE, KY (203) |
| ROWAN, KY (205) |
| WHITLEY, KY (235) |
| WOLFE, KY (237) |
| BRISTOL CITY, VA (520) |
| BUENA VISTA CITY, VA (530) |
| CLIFTON FORGE CITY, VA (560) |
| COVINGTON CITY, VA (580) |
| HARRISONBURG CITY, VA (660) |
| NORTON CITY, VA (720) |
| RADFORD CITY, VA (750) |
| STAUNTON CITY, VA (790) |
| WINCHESTER CITY, VA (840) |
160A - Appalachian Basin (Eastern Overthrust Area) | ALLEGANY, MD (1) |
| ANDERSON, TN (1) |
| BARBOUR, WV (1) |
| ALLEGANY, NY (3) |
| ALLEGHENY, PA (3) |
| BERKELEY, WV (3) |
| ARMSTRONG, PA (5) |
| ALLEGHANY, VA (5) |
| BIBB, AL (7) |
| BEAVER, PA (7) |
| BRAXTON, WV (7) |
| BLOUNT, AL (9) |
| CATTARAUGUS, NY (9) |
| BEDFORD, PA (9) |
| BLOUNT, TN (9) |
| BROOKE, WV (9) |
| BERKS, PA (11) |
| BRADLEY, TN (11) |
| BELL, KY (13) |
| CHAUTAUQUA, NY (13) |
| BELMONT, OH (13) |
| BLAIR, PA (13) |
| CAMPBELL, TN (13) |
| CALHOUN, WV (13) |
| CALHOUN, AL (15) |
| BARTOW, GA (15) |
| CHEMUNG, NY (15) |
| BRADFORD, PA (15) |
| AUGUSTA, VA (15) |
| BATH, VA (17) |
| DODDRIDGE, WV (17) |
| CHEROKEE, AL (19) |
| CARROLL, OH (19) |
| BUTLER, PA (19) |
| CAMBRIA, PA (21) |
| BLAND, VA (21) |
| GILMER, WV (21) |
| GARRETT, MD (23) |
| CAMERON, PA (23) |
| BOTETOURT, VA (23) |
| GRANT, WV (23) |
| CARBON, PA (25) |
| CLAIBORNE, TN (25) |
| GREENBRIER, WV (25) |
| CENTRE, PA (27) |
| BUCHANAN, VA (27) |
| HAMPSHIRE, WV (27) |
| COLUMBIANA, OH (29) |
| COCKE, TN (29) |
| HANCOCK, WV (29) |
| CLARION, PA (31) |
| HARDY, WV (31) |
| CLEARFIELD, PA (33) |
| HARRISON, WV (33) |
| CLINTON, PA (35) |
| SUSSEX, NJ (37) |
| COLUMBIA, PA (37) |
| JEFFERSON, WV (37) |
| WARREN, NJ (41) |
| CUMBERLAND, PA (41) |
| LEWIS, WV (41) |
| WASHINGTON, MD (43) |
| DAUPHIN, PA (43) |
| CLARKE, VA (43) |
| CRAIG, VA (45) |
| CATOOSA, GA (47) |
| ELK, PA (47) |
| DE KALB, AL (49) |
| MARION, WV (49) |
| FAYETTE, PA (51) |
| DICKENSON, VA (51) |
| MARSHALL, WV (51) |
| FOREST, PA (53) |
| ETOWAH, AL (55) |
| CHATTOOGA, GA (55) |
| FRANKLIN, PA (55) |
| MERCER, WV (55) |
| FULTON, PA (57) |
| GRAINGER, TN (57) |
| MINERAL, WV (57) |
| GREENE, PA (59) |
| GREENE, TN (59) |
| HUNTINGDON, PA (61) |
| MONONGALIA, WV (61) |
| INDIANA, PA (63) |
| HAMBLEN, TN (63) |
| MONROE, WV (63) |
| JEFFERSON, PA (65) |
| HAMILTON, TN (65) |
| MORGAN, WV (65) |
| HARRISON, OH (67) |
| JUNIATA, PA (67) |
| HANCOCK, TN (67) |
| LACKAWANNA, PA (69) |
| FREDERICK, VA (69) |
| OHIO, WV (69) |
| JACKSON, AL (71) |
| ORANGE, NY (71) |
| GILES, VA (71) |
| PENDLETON, WV (71) |
| JEFFERSON, AL (73) |
| LAWRENCE, PA (73) |
| HAWKINS, TN (73) |
| PLEASANTS, WV (73) |
| LEBANON, PA (75) |
| POCAHONTAS, WV (75) |
| LEHIGH, PA (77) |
| PRESTON, WV (77) |
| LUZERNE, PA (79) |
| JEFFERSON, OH (81) |
| LYCOMING, PA (81) |
| DADE, GA (83) |
| MC KEAN, PA (83) |
| RANDOLPH, WV (83) |
| MERCER, PA (85) |
| RITCHIE, WV (85) |
| MIFFLIN, PA (87) |
| MADISON, AL (89) |
| MONROE, PA (89) |
| JEFFERSON, TN (89) |
| SUMMERS, WV (89) |
| HIGHLAND, VA (91) |
| TAYLOR, WV (91) |
| MONTOUR, PA (93) |
| KNOX, TN (93) |
| TUCKER, WV (93) |
| HARLAN, KY (95) |
| MARSHALL, AL (95) |
| NORTHAMPTON, PA (95) |
| TYLER, WV (95) |
| SCHUYLER, NY (97) |
| NORTHUMBERLAND, PA (97) |
| UPSHUR, WV (97) |
| MAHONING, OH (99) |
| PERRY, PA (99) |
| STEUBEN, NY (101) |
| WEBSTER, WV (101) |
| WETZEL, WV (103) |
| POTTER, PA (105) |
| LOUDON, TN (105) |
| LEE, VA (105) |
| WIRT, WV (105) |
| TIOGA, NY (107) |
| SCHUYLKILL, PA (107) |
| MC MINN, TN (107) |
| TOMPKINS, NY (109) |
| SNYDER, PA (109) |
| ULSTER, NY (111) |
| MONROE, OH (111) |
| SOMERSET, PA (111) |
| SULLIVAN, PA (113) |
| ST CLAIR, AL (115) |
| FLOYD, GA (115) |
| SUSQUEHANNA, PA (115) |
| SHELBY, AL (117) |
| TIOGA, PA (117) |
| UNION, PA (119) |
| TALLADEGA, AL (121) |
| VENANGO, PA (121) |
| MEIGS, TN (121) |
| MONTGOMERY, VA (121) |
| YATES, NY (123) |
| WARREN, PA (123) |
| MONROE, TN (123) |
| WASHINGTON, PA (125) |
| GORDON, GA (129) |
| WESTMORELAND, PA (129) |
| WYOMING, PA (131) |
| LETCHER, KY (133) |
| POLK, TN (139) |
| PAGE, VA (139) |
| RHEA, TN (143) |
| ROANE, TN (145) |
| SEVIER, TN (155) |
| PULASKI, VA (155) |
| ROANOKE, VA (161) |
| SULLIVAN, TN (163) |
| ROCKBRIDGE, VA (163) |
| ROCKINGHAM, VA (165) |
| WASHINGTON, OH (167) |
| RUSSELL, VA (167) |
| SCOTT, VA (169) |
| UNICOI, TN (171) |
| SHENANDOAH, VA (171) |
| UNION, TN (173) |
| SMYTH, VA (173) |
| WASHINGTON, TN (179) |
| TAZEWELL, VA (185) |
| WARREN, VA (187) |
| WASHINGTON, VA (191) |
| WISE, VA (195) |
| WYTHE, VA (197) |
| MURRAY, GA (213) |
| POLK, GA (233) |
| WALKER, GA (295) |
| WHITFIELD, GA (313) |
| ROANOKE CITY, VA (770) |
200 - Black Warrior Basin | CALHOUN, MS (13) |
| CHICKASAW, MS (17) |
| CHOCTAW, MS (19) |
| CLAY, MS (25) |
| COLBERT, AL (33) |
| CULLMAN, AL (43) |
| FAYETTE, AL (57) |
| FRANKLIN, AL (59) |
| GREENE, AL (63) |
| GRENADA, MS (43) |
| ITAWAMBA, MS (57) |
| KEMPER, MS (69) |
| LAFAYETTE, MS (71) |
| LAMAR, AL (75) |
| LAWRENCE, AL (79) |
| LEE, MS (81) |
| LOWNDES, MS (87) |
| MARION, AL (93) |
| MONROE, MS (95) |
| MORGAN, AL (103) |
| NOXUBEE, MS (103) |
| OKTIBBEHA, MS (105) |
| PANOLA, MS (107) |
| PICKENS, AL (107) |
| PONTOTOC, MS (115) |
| PRENTISS, MS (117) |
| QUITMAN, MS (119) |
| SUMTER, AL (119) |
| TALLAHATCHIE, MS (135) |
| TISHOMINGO, MS (141) |
| TUSCALOOSA, AL (125) |
| UNION, MS (145) |
| WALKER, AL (127) |
| WEBSTER, MS (155) |
| WINSTON, AL (133) |
| WINSTON, MS (159) |
| YALOBUSHA, MS (161) |
210 - Mid-Gulf Coast Basin | ADAMS, MS (1) |
| AMITE, MS (5) |
| ATTALA, MS (7) |
| AUTAUGA, AL (1) |
| BALDWIN, AL (3) |
| BULLOCK, AL (11) |
| BUTLER, AL (13) |
| CARROLL, MS (15) |
| CHILTON, AL (21) |
| CHOCTAW, AL (23) |
| CLAIBORNE, MS (21) |
| CLARKE, AL (25) |
| CLARKE, MS (23) |
| CONECUH, AL (35) |
| COPIAH, MS (29) |
| COVINGTON, AL (39) |
| COVINGTON, MS (31) |
| CRENSHAW, AL (41) |
| DALLAS, AL (47) |
| ELMORE, AL (51) |
| ESCAMBIA, AL (53) |
| ESCAMBIA, FL (33) |
| FORREST, MS (35) |
| FRANKLIN, MS (37) |
| GEORGE, MS (39) |
| GREENE, MS (41) |
| HALE, AL (65) |
| HANCOCK, MS (45) |
| HARRISON, MS (47) |
| HINDS, MS (49) |
| HOLMES, MS (51) |
| HUMPHREYS, MS (53) |
| ISSAQUENA, MS (55) |
| JACKSON, MS (59) |
| JASPER, MS (61) |
| JEFFERSON DAVIS, MS (65) |
| JEFFERSON, MS (63) |
| JONES, MS (67) |
| LAMAR, MS (73) |
| LAUDERDALE, MS (75) |
| LAWRENCE, MS (77) |
| LEAKE, MS (79) |
| LEFLORE, MS (83) |
| LINCOLN, MS (85) |
| LOWNDES, AL (85) |
| MACON, AL (87) |
| MADISON, MS (89) |
| MARENGO, AL (91) |
| MARION, MS (91) |
| MOBILE, AL (97) |
| MONROE, AL (99) |
| MONTGOMERY, AL (101) |
| MONTGOMERY, MS (97) |
| NESHOBA, MS (99) |
| NEWTON, MS (101) |
| OKALOOSA, FL (91) |
| PEARL RIVER, MS (109) |
| PERRY, AL (105) |
| PERRY, MS (111) |
| PIKE, MS (113) |
| RANKIN, MS (121) |
| SANTA ROSA, FL (113) |
| SCOTT, MS (123) |
| SHARKEY, MS (125) |
| SIMPSON, MS (127) |
| SMITH, MS (129) |
| STONE, MS (131) |
| WALTHALL, MS (147) |
| WALTON, FL (131) |
| WARREN, MS (149) |
| WASHINGTON, AL (129) |
| WASHINGTON, LA (117) |
| WASHINGTON, MS (151) |
| WAYNE, MS (153) |
| WILCOX, AL (131) |
| WILKINSON, MS (157) |
| YAZOO, MS (163) |
220 - Gulf Coast Basin (LA, TX) | ACADIA, LA (1) |
| ALLEN, LA (3) |
| ARANSAS, TX (7) |
| ASCENSION, LA (5) |
| ASSUMPTION, LA (7) |
| ATASCOSA, TX (13) |
| AUSTIN, TX (15) |
| AVOYELLES, LA (9) |
| BASTROP, TX (21) |
| BEAUREGARD, LA (11) |
| BEE, TX (25) |
| BRAZORIA, TX (39) |
| BRAZOS, TX (41) |
| BROOKS, TX (47) |
| BURLESON, TX (51) |
| CALCASIEU, LA (19) |
| CALDWELL, TX (55) |
| CALHOUN, TX (57) |
| CAMERON, LA (23) |
| CAMERON, TX (61) |
| CHAMBERS, TX (71) |
| COLORADO, TX (89) |
| DE WITT, TX (123) |
| DIMMIT, TX (127) |
| DUVAL, TX (131) |
| EAST BATON ROUGE, LA (33) |
| EAST FELICIANA, LA (37) |
| EVANGELINE, LA (39) |
| FAYETTE, TX (149) |
| FORT BEND, TX (157) |
| FRIO, TX (163) |
| GALVESTON, TX (167) |
| GOLIAD, TX (175) |
| GONZALES, TX (177) |
| GRIMES, TX (185) |
| GUADALUPE, TX (187) |
| HARDIN, TX (199) |
| HARRIS, TX (201) |
| HIDALGO, TX (215) |
| IBERIA, LA (45) |
| IBERVILLE, LA (47) |
| JACKSON, TX (239) |
| JASPER, TX (241) |
| JEFFERSON DAVIS, LA (53) |
| JEFFERSON, LA (51) |
| JEFFERSON, TX (245) |
| JIM HOGG, TX (247) |
| JIM WELLS, TX (249) |
| KARNES, TX (255) |
| KENEDY, TX (261) |
| KLEBERG, TX (273) |
| LA SALLE, TX (283) |
| LAFAYETTE, LA (55) |
| LAFOURCHE, LA (57) |
| LAVACA, TX (285) |
| LEE, TX (287) |
| LIBERTY, TX (291) |
| LIVE OAK, TX (297) |
| LIVINGSTON, LA (63) |
| MADISON, TX (313) |
| MATAGORDA, TX (321) |
| MAVERICK, TX (323) |
| MC MULLEN, TX (311) |
| MILAM, TX (331) |
| MONTGOMERY, TX (339) |
| NEWTON, TX (351) |
| NUECES, TX (355) |
| ORANGE, TX (361) |
| ORLEANS, LA (71) |
| PLAQUEMINES, LA (75) |
| POINTE COUPEE, LA (77) |
| POLK, TX (373) |
| RAPIDES, LA (79) |
| REFUGIO, TX (391) |
| SAN JACINTO, TX (407) |
| SAN PATRICIO, TX (409) |
| ST BERNARD, LA (87) |
| ST CHARLES, LA (89) |
| ST HELENA, LA (91) |
| ST JAMES, LA (93) |
| ST JOHN THE BAPTIST, LA (95) |
| ST LANDRY, LA (97) |
| ST MARTIN, LA (99) |
| ST MARY, LA (101) |
| ST TAMMANY, LA (103) |
| STARR, TX (427) |
| TANGIPAHOA, LA (105) |
| TERREBONNE, LA (109) |
| TRINITY, TX (455) |
| TYLER, TX (457) |
| VERMILION, LA (113) |
| VERNON, LA (115) |
| VICTORIA, TX (469) |
| WALKER, TX (471) |
| WALLER, TX (473) |
| WASHINGTON, TX (477) |
| WEBB, TX (479) |
| WEST BATON ROUGE, LA (121) |
| WEST FELICIANA, LA (125) |
| WHARTON, TX (481) |
| WILLACY, TX (489) |
| WILSON, TX (493) |
| ZAPATA, TX (505) |
| ZAVALA, TX (507) |
230 - Arkla Basin | ASHLEY, AR (3) |
| BIENVILLE, LA (13) |
| BOSSIER, LA (15) |
| BRADLEY, AR (11) |
| CADDO, LA (17) |
| CALDWELL, LA (21) |
| CALHOUN, AR (13) |
| CATAHOULA, LA (25) |
| CHICOT, AR (17) |
| CLAIBORNE, LA (27) |
| COLUMBIA, AR (27) |
| CONCORDIA, LA (29) |
| DE SOTO, LA (31) |
| EAST CARROLL, LA (35) |
| FRANKLIN, LA (41) |
| GRANT, LA (43) |
| HEMPSTEAD, AR (57) |
| JACKSON, LA (49) |
| LA SALLE, LA (59) |
| LAFAYETTE, AR (73) |
| LINCOLN, LA (61) |
| LITTLE RIVER, AR (81) |
| MADISON, LA (65) |
| MILLER, AR (91) |
| MOREHOUSE, LA (67) |
| NATCHITOCHES, LA (69) |
| NEVADA, AR (99) |
| OUACHITA, AR (103) |
| OUACHITA, LA (73) |
| RED RIVER, LA (81) |
| RICHLAND, LA (83) |
| SABINE, LA (85) |
| TENSAS, LA (107) |
| UNION, AR (139) |
| UNION, LA (111) |
| WEBSTER, LA (119) |
| WEST CARROLL, LA (123) |
| WINN, LA (127) |
240 - Desha Basin | ARKANSAS, AR (1) |
| BOLIVAR, MS (11) |
| CLEVELAND, AR (25) |
| COAHOMA, MS (27) |
| DESHA, AR (41) |
| DREW, AR (43) |
| JEFFERSON, AR (69) |
| LINCOLN, AR (79) |
| SUNFLOWER, MS (133) |
250 - Upper Mississippi Embaymnt | ALCORN, MS (3) |
| BALLARD, KY (7) |
| BENTON, MS (9) |
| CALLOWAY, KY (35) |
| CARLISLE, KY (39) |
| CARROLL, TN (17) |
| CHESTER, TN (23) |
| CLAY, AR (21) |
| CRAIGHEAD, AR (31) |
| CRITTENDEN, AR (35) |
| CROCKETT, TN (33) |
| CROSS, AR (37) |
| DE SOTO, MS (33) |
| DUNKLIN, MO (69) |
| DYER, TN (45) |
| FAYETTE, TN (47) |
| FULTON, KY (75) |
| GIBSON, TN (53) |
| GRAVES, KY (83) |
| GREENE, AR (55) |
| HARDEMAN, TN (69) |
| HARDIN, TN (71) |
| HAYWOOD, TN (75) |
| HENDERSON, TN (77) |
| HENRY, TN (79) |
| HICKMAN, KY (105) |
| JACKSON, AR (67) |
| LAKE, TN (95) |
| LAUDERDALE, TN (97) |
| LEE, AR (77) |
| MADISON, TN (113) |
| MARSHALL, KY (157) |
| MARSHALL, MS (93) |
| MC CRACKEN, KY (145) |
| MC NAIRY, TN (109) |
| MISSISSIPPI, AR (93) |
| MISSISSIPPI, MO (133) |
| MONROE, AR (95) |
| NEW MADRID, MO (143) |
| OBION, TN (131) |
| PEMISCOT, MO (155) |
| PHILLIPS, AR (107) |
| POINSETT, AR (111) |
| PRAIRIE, AR (117) |
| SCOTT, MO (201) |
| SHELBY, TN (157) |
| ST FRANCIS, AR (123) |
| STODDARD, MO (207) |
| TATE, MS (137) |
| TIPPAH, MS (139) |
| TIPTON, TN (167) |
| TUNICA, MS (143) |
| WEAKLEY, TN (183) |
| WOODRUFF, AR (147) |
260 - East Texas Basin | ANDERSON, TX (1) |
| ANGELINA, TX (5) |
| BOWIE, TX (37) |
| CAMP, TX (63) |
| CASS, TX (67) |
| CHEROKEE, TX (73) |
| DELTA, TX (119) |
| FALLS, TX (145) |
| FRANKLIN, TX (159) |
| FREESTONE, TX (161) |
| GREGG, TX (183) |
| HARRISON, TX (203) |
| HENDERSON, TX (213) |
| HOPKINS, TX (223) |
| HOUSTON, TX (225) |
| HUNT, TX (231) |
| KAUFMAN, TX (257) |
| LEON, TX (289) |
| LIMESTONE, TX (293) |
| MARION, TX (315) |
| MORRIS, TX (343) |
| NACOGDOCHES, TX (347) |
| NAVARRO, TX (349) |
| PANOLA, TX (365) |
| RAINS, TX (379) |
| ROBERTSON, TX (395) |
| ROCKWALL, TX (397) |
| RUSK, TX (401) |
| SABINE, TX (403) |
| SAN AUGUSTINE, TX (405) |
| SHELBY, TX (419) |
| SMITH, TX (423) |
| TITUS, TX (449) |
| UPSHUR, TX (459) |
| VAN ZANDT, TX (467) |
| WOOD, TX (499) |
300 - Cincinnati Arch | ADAIR, KY (1) |
| ADAMS, IN (1) |
| ADAMS, OH (1) |
| ALLEN, KY (3) |
| ALLEN, OH (3) |
| ANDERSON, KY (5) |
| AUGLAIZE, OH (11) |
| BARREN, KY (9) |
| BATH, KY (11) |
| BEDFORD, TN (3) |
| BENTON, TN (5) |
| BLACKFORD, IN (9) |
| BOONE, IN (11) |
| BOONE, KY (15) |
| BOURBON, KY (17) |
| BOYLE, KY (21) |
| BRACKEN, KY (23) |
| BROWN, OH (15) |
| BULLITT, KY (29) |
| BUTLER, OH (17) |
| CAMPBELL, KY (37) |
| CANNON, TN (15) |
| CARROLL, IN (15) |
| CARROLL, KY (41) |
| CASEY, KY (45) |
| CASS, IN (17) |
| CHAMPAIGN, OH (21) |
| CHEATHAM, TN (21) |
| CLARK, IN (19) |
| CLARK, KY (49) |
| CLARK, OH (23) |
| CLAY, TN (27) |
| CLERMONT, OH (25) |
| CLINTON, IN (23) |
| CLINTON, KY (53) |
| CLINTON, OH (27) |
| COFFEE, TN (31) |
| CUMBERLAND, KY (57) |
| DARKE, OH (37) |
| DAVIDSON, TN (37) |
| DE KALB, TN (41) |
| DEARBORN, IN (29) |
| DECATUR, IN (31) |
| DECATUR, TN (39) |
| DELAWARE, IN (35) |
| DICKSON, TN (43) |
| EDMONSON, KY (61) |
| FAYETTE, IN (41) |
| FAYETTE, KY (67) |
| FLEMING, KY (69) |
| FLOYD, IN (43) |
| FRANKLIN, IN (47) |
| FRANKLIN, KY (73) |
| FULTON, IN (49) |
| GALLATIN, KY (77) |
| GARRARD, KY (79) |
| GILES, TN (55) |
| GRANT, IN (53) |
| GRANT, KY (81) |
| GREEN, KY (87) |
| GREENE, OH (57) |
| HAMILTON, IN (57) |
| HAMILTON, OH (61) |
| HANCOCK, IN (59) |
| HANCOCK, OH (63) |
| HARDIN, KY (93) |
| HARDIN, OH (65) |
| HARRISON, KY (97) |
| HART, KY (99) |
| HENRY, IN (65) |
| HENRY, KY (103) |
| HICKMAN, TN (81) |
| HIGHLAND, OH (71) |
| HOUSTON, TN (83) |
| HOWARD, IN (67) |
| HUMPHREYS, TN (85) |
| HUNTINGTON, IN (69) |
| JACKSON, TN (87) |
| JASPER, IN (73) |
| JAY, IN (75) |
| JEFFERSON, IN (77) |
| JEFFERSON, KY (111) |
| JENNINGS, IN (79) |
| JESSAMINE, KY (113) |
| KENTON, KY (117) |
| LAKE, IN (89) |
| LARUE, KY (123) |
| LAUDERDALE, AL (77) |
| LAWRENCE, TN (99) |
| LEWIS, TN (101) |
| LIMESTONE, AL (83) |
| LINCOLN, KY (137) |
| LINCOLN, TN (103) |
| LOGAN, OH (91) |
| MACON, TN (111) |
| MADISON, IN (95) |
| MADISON, KY (151) |
| MARION, IN (97) |
| MARION, KY (155) |
| MARSHALL, TN (117) |
| MASON, KY (161) |
| MAURY, TN (119) |
| MEADE, KY (163) |
| MERCER, KY (167) |
| MERCER, OH (107) |
| METCALFE, KY (169) |
| MIAMI, IN (103) |
| MIAMI, OH (109) |
| MONROE, KY (171) |
| MONTGOMERY, KY (173) |
| MONTGOMERY, OH (113) |
| MONTGOMERY, TN (125) |
| MOORE, TN (127) |
| NELSON, KY (179) |
| NEWTON, IN (111) |
| NICHOLAS, KY (181) |
| OHIO, IN (115) |
| OLDHAM, KY (185) |
| OTTAWA, OH (123) |
| OVERTON, TN (133) |
| OWEN, KY (187) |
| PENDLETON, KY (191) |
| PERRY, TN (135) |
| PICKETT, TN (137) |
| PORTER, IN (127) |
| PREBLE, OH (135) |
| PULASKI, IN (131) |
| PULASKI, KY (199) |
| PUTNAM, OH (137) |
| PUTNAM, TN (141) |
| RANDOLPH, IN (135) |
| RIPLEY, IN (137) |
| ROBERTSON, KY (201) |
| ROBERTSON, TN (147) |
| RUSH, IN (139) |
| RUSSELL, KY (207) |
| RUTHERFORD, TN (149) |
| SANDUSKY, OH (143) |
| SCOTT, IN (143) |
| SCOTT, KY (209) |
| SENECA, OH (147) |
| SHELBY, IN (145) |
| SHELBY, KY (211) |
| SHELBY, OH (149) |
| SIMPSON, KY (213) |
| SMITH, TN (159) |
| SPENCER, KY (215) |
| STEWART, TN (161) |
| SUMNER, TN (165) |
| SWITZERLAND, IN (155) |
| TAYLOR, KY (217) |
| TIPTON, IN (159) |
| TRIMBLE, KY (223) |
| TROUSDALE, TN (169) |
| UNION, IN (161) |
| VAN WERT, OH (161) |
| WABASH, IN (169) |
| WARREN, KY (227) |
| WARREN, OH (165) |
| WARREN, TN (177) |
| WASHINGTON, KY (229) |
| WAYNE, IN (177) |
| WAYNE, KY (231) |
| WAYNE, TN (181) |
| WELLS, IN (179) |
| WHITE, IN (181) |
| WILLIAMSON, TN (187) |
| WILSON, TN (189) |
| WOOD, OH (173) |
| WOODFORD, KY (239) |
| WYANDOT, OH (175) |
305 - Michigan Basin | ALCONA, MI (1) |
| ALGER, MI (3) |
| ALLEGAN, MI (5) |
| ALLEN, IN (3) |
| ALPENA, MI (7) |
| ANTRIM, MI (9) |
| ARENAC, MI (11) |
| BARRY, MI (15) |
| BAY, MI (17) |
| BENZIE, MI (19) |
| BERRIEN, MI (21) |
| BRANCH, MI (23) |
| CALHOUN, MI (25) |
| CASS, MI (27) |
| CHARLEVOIX, MI (29) |
| CHEBOYGAN, MI (31) |
| CHIPPEWA, MI (33) |
| CLARE, MI (35) |
| CLINTON, MI (37) |
| COOK, IL (31) |
| CRAWFORD, MI (39) |
| DE KALB, IN (33) |
| DEFIANCE, OH (39) |
| DELTA, MI (41) |
| DOOR, WI (29) |
| EATON, MI (45) |
| ELKHART, IN (39) |
| EMMET, MI (47) |
| FULTON, OH (51) |
| GENESEE, MI (49) |
| GLADWIN, MI (51) |
| GRAND TRAVERSE, MI (55) |
| GRATIOT, MI (57) |
| HENRY, OH (69) |
| HILLSDALE, MI (59) |
| HURON, MI (63) |
| INGHAM, MI (65) |
| IONIA, MI (67) |
| IOSCO, MI (69) |
| ISABELLA, MI (73) |
| JACKSON, MI (75) |
| KALAMAZOO, MI (77) |
| KALKASKA, MI (79) |
| KENOSHA, WI (59) |
| KENT, MI (81) |
| KEWAUNEE, WI (61) |
| KOSCIUSKO, IN (85) |
| LA PORTE, IN (91) |
| LAGRANGE, IN (87) |
| LAKE, IL (97) |
| LAKE, MI (85) |
| LAPEER, MI (87) |
| LEELANAU, MI (89) |
| LENAWEE, MI (91) |
| LIVINGSTON, MI (93) |
| LUCAS, OH (95) |
| LUCE, MI (95) |
| MACKINAC, MI (97) |
| MACOMB, MI (99) |
| MANISTEE, MI (101) |
| MANITOWOC, WI (71) |
| MARSHALL, IN (99) |
| MASON, MI (105) |
| MECOSTA, MI (107) |
| MIDLAND, MI (111) |
| MILWAUKEE, WI (79) |
| MISSAUKEE, MI (113) |
| MONROE, MI (115) |
| MONTCALM, MI (117) |
| MONTMORENCY, MI (119) |
| MUSKEGON, MI (121) |
| NEWAYGO, MI (123) |
| NOBLE, IN (113) |
| OAKLAND, MI (125) |
| OCEANA, MI (127) |
| OGEMAW, MI (129) |
| OSCEOLA, MI (133) |
| OSCODA, MI (135) |
| OTSEGO, MI (137) |
| OTTAWA, MI (139) |
| OZAUKEE, WI (89) |
| PAULDING, OH (125) |
| PRESQUE ISLE, MI (141) |
| RACINE, WI (101) |
| ROSCOMMON, MI (143) |
| SAGINAW, MI (145) |
| SANILAC, MI (151) |
| SCHOOLCRAFT, MI (153) |
| SHEBOYGAN, WI (117) |
| SHIAWASSEE, MI (155) |
| ST CLAIR, MI (147) |
| ST JOSEPH, IN (141) |
| ST JOSEPH, MI (149) |
| STARKE, IN (149) |
| STEUBEN, IN (151) |
| TUSCOLA, MI (157) |
| VAN BUREN, MI (159) |
| WASHTENAW, MI (161) |
| WAYNE, MI (163) |
| WEXFORD, MI (165) |
| WHITLEY, IN (183) |
| WILLIAMS, OH (171) |
310 - Wisconsin Arch | ADAMS, WI (1) |
| ASHLAND, WI (3) |
| BARAGA, MI (13) |
| BARRON, WI (5) |
| BAYFIELD, WI (7) |
| BOONE, IL (7) |
| BROWN, WI (9) |
| BUFFALO, WI (11) |
| BURNETT, WI (13) |
| CALUMET, WI (15) |
| CARROLL, IL (15) |
| CHIPPEWA, WI (17) |
| CLARK, WI (19) |
| COLUMBIA, WI (21) |
| CRAWFORD, WI (23) |
| DANE, WI (25) |
| DE KALB, IL (37) |
| DICKINSON, MI (43) |
| DODGE, WI (27) |
| DOUGLAS, WI (31) |
| DU PAGE, IL (43) |
| DUNN, WI (33) |
| EAU CLAIRE, WI (35) |
| FLORENCE, WI (37) |
| FOND DU LAC, WI (39) |
| FOREST, WI (41) |
| GOGEBIC, MI (53) |
| GRANT, WI (43) |
| GREEN LAKE, WI (47) |
| GREEN, WI (45) |
| GRUNDY, IL (63) |
| HOUGHTON, MI (61) |
| IOWA, WI (49) |
| IRON, MI (71) |
| IRON, WI (51) |
| JACKSON, WI (53) |
| JEFFERSON, WI (55) |
| JO DAVIESS, IL (85) |
| JUNEAU, WI (57) |
| KANE, IL (89) |
| KANKAKEE, IL (91) |
| KENDALL, IL (93) |
| KEWEENAW, MI (83) |
| LA CROSSE, WI (63) |
| LA SALLE, IL (99) |
| LAFAYETTE, WI (65) |
| LANGLADE, WI (67) |
| LEE, IL (103) |
| LINCOLN, WI (69) |
| MARATHON, WI (73) |
| MARINETTE, WI (75) |
| MARQUETTE, MI (103) |
| MARQUETTE, WI (77) |
| MC HENRY, IL (111) |
| MENOMINEE, MI (109) |
| MENOMINEE, WI (78) |
| MONROE, WI (81) |
| OCONTO, WI (83) |
| OGLE, IL (141) |
| ONEIDA, WI (85) |
| ONTONAGON, MI (131) |
| OUTAGAMIE, WI (87) |
| PEPIN, WI (91) |
| PIERCE, WI (93) |
| POLK, WI (95) |
| PORTAGE, WI (97) |
| PRICE, WI (99) |
| RICHLAND, WI (103) |
| ROCK ISLAND, IL (161) |
| ROCK, WI (105) |
| RUSK, WI (107) |
| SAUK, WI (111) |
| SAWYER, WI (113) |
| SHAWANO, WI (115) |
| ST CROIX, WI (109) |
| STEPHENSON, IL (177) |
| TAYLOR, WI (119) |
| TREMPEALEAU, WI (121) |
| VERNON, WI (123) |
| VILAS, WI (125) |
| WALWORTH, WI (127) |
| WASHBURN, WI (129) |
| WASHINGTON, WI (131) |
| WAUKESHA, WI (133) |
| WAUPACA, WI (135) |
| WAUSHARA, WI (137) |
| WHITESIDE, IL (195) |
| WILL, IL (197) |
| WINNEBAGO, IL (201) |
| WINNEBAGO, WI (139) |
| WOOD, WI (141) |
315 - Illinois Basin | ADAMS, IL (1) |
| ALEXANDER, IL (3) |
| BARTHOLOMEW, IN (5) |
| BENTON, IN (7) |
| BOND, IL (5) |
| BRECKINRIDGE, KY (27) |
| BROWN, IL (9) |
| BROWN, IN (13) |
| BUREAU, IL (11) |
| BUTLER, KY (31) |
| CALDWELL, KY (33) |
| CALHOUN, IL (13) |
| CASS, IL (17) |
| CHAMPAIGN, IL (19) |
| CHRISTIAN, IL (21) |
| CHRISTIAN, KY (47) |
| CLARK, IL (23) |
| CLAY, IL (25) |
| CLAY, IN (21) |
| CLINTON, IL (27) |
| COLES, IL (29) |
| CRAWFORD, IL (33) |
| CRAWFORD, IN (25) |
| CRITTENDEN, KY (55) |
| CUMBERLAND, IL (35) |
| DAVIESS, IN (27) |
| DAVIESS, KY (59) |
| DE WITT, IL (39) |
| DOUGLAS, IL (41) |
| DUBOIS, IN (37) |
| EDGAR, IL (45) |
| EDWARDS, IL (47) |
| EFFINGHAM, IL (49) |
| FAYETTE, IL (51) |
| FORD, IL (53) |
| FOUNTAIN, IN (45) |
| FRANKLIN, IL (55) |
| FULTON, IL (57) |
| GALLATIN, IL (59) |
| GIBSON, IN (51) |
| GRAYSON, KY (85) |
| GREENE, IL (61) |
| GREENE, IN (55) |
| HAMILTON, IL (65) |
| HANCOCK, IL (67) |
| HANCOCK, KY (91) |
| HARDIN, IL (69) |
| HARRISON, IN (61) |
| HENDERSON, IL (71) |
| HENDERSON, KY (101) |
| HENDRICKS, IN (63) |
| HENRY, IL (73) |
| HOPKINS, KY (107) |
| IROQUOIS, IL (75) |
| JACKSON, IL (77) |
| JACKSON, IN (71) |
| JASPER, IL (79) |
| JEFFERSON, IL (81) |
| JEFFERSON, MO (99) |
| JERSEY, IL (83) |
| JOHNSON, IL (87) |
| JOHNSON, IN (81) |
| KNOX, IL (95) |
| KNOX, IN (83) |
| LAWRENCE, IL (101) |
| LAWRENCE, IN (93) |
| LIVINGSTON, IL (105) |
| LIVINGSTON, KY (139) |
| LOGAN, IL (107) |
| LOGAN, KY (141) |
| LYON, KY (143) |
| MACON, IL (115) |
| MACOUPIN, IL (117) |
| MADISON, IL (119) |
| MARION, IL (121) |
| MARSHALL, IL (123) |
| MARTIN, IN (101) |
| MASON, IL (125) |
| MASSAC, IL (127) |
| MC DONOUGH, IL (109) |
| MC LEAN, IL (113) |
| MC LEAN, KY (149) |
| MENARD, IL (129) |
| MERCER, IL (131) |
| MONROE, IL (133) |
| MONROE, IN (105) |
| MONTGOMERY, IL (135) |
| MONTGOMERY, IN (107) |
| MORGAN, IL (137) |
| MORGAN, IN (109) |
| MOULTRIE, IL (139) |
| MUHLENBERG, KY (177) |
| OHIO, KY (183) |
| ORANGE, IN (117) |
| OWEN, IN (119) |
| PARKE, IN (121) |
| PEORIA, IL (143) |
| PERRY, IL (145) |
| PERRY, IN (123) |
| PIATT, IL (147) |
| PIKE, IL (149) |
| PIKE, IN (125) |
| POPE, IL (151) |
| POSEY, IN (129) |
| PULASKI, IL (153) |
| PUTNAM, IL (155) |
| PUTNAM, IN (133) |
| RANDOLPH, IL (157) |
| RICHLAND, IL (159) |
| SALINE, IL (165) |
| SANGAMON, IL (167) |
| SCHUYLER, IL (169) |
| SCOTT, IL (171) |
| SHELBY, IL (173) |
| SPENCER, IN (147) |
| ST CHARLES, MO (183) |
| ST CLAIR, IL (163) |
| ST LOUIS, MO (189) |
| STARK, IL (175) |
| SULLIVAN, IN (153) |
| TAZEWELL, IL (179) |
| TIPPECANOE, IN (157) |
| TODD, KY (219) |
| TRIGG, KY (221) |
| UNION, IL (181) |
| UNION, KY (225) |
| VANDERBURGH, IN (163) |
| VERMILION, IL (183) |
| VERMILLION, IN (165) |
| VIGO, IN (167) |
| WABASH, IL (185) |
| WARREN, IL (187) |
| WARREN, IN (171) |
| WARRICK, IN (173) |
| WASHINGTON, IL (189) |
| WASHINGTON, IN (175) |
| WAYNE, IL (191) |
| WEBSTER, KY (233) |
| WHITE, IL (193) |
| WILLIAMSON, IL (199) |
| WOODFORD, IL (203) |
320 - Sioux Uplift | AITKIN, MN (1) |
| ANOKA, MN (3) |
| AURORA, SD (3) |
| BEADLE, SD (5) |
| BECKER, MN (5) |
| BELTRAMI, MN (7) |
| BENNETT, SD (7) |
| BENTON, MN (9) |
| BIG STONE, MN (11) |
| BLUE EARTH, MN (13) |
| BON HOMME, SD (9) |
| BROOKINGS, SD (11) |
| BROWN, MN (15) |
| BROWN, SD (13) |
| BRULE, SD (15) |
| BUFFALO, SD (17) |
| CARLTON, MN (17) |
| CARVER, MN (19) |
| CASS, MN (21) |
| CHARLES MIX, SD (23) |
| CHIPPEWA, MN (23) |
| CHISAGO, MN (25) |
| CLARK, SD (25) |
| CLAY, MN (27) |
| CLAY, SD (27) |
| CLEARWATER, MN (29) |
| CODINGTON, SD (29) |
| COOK, MN (31) |
| COTTONWOOD, MN (33) |
| CROW WING, MN (35) |
| DAKOTA, MN (37) |
| DAVISON, SD (35) |
| DAY, SD (37) |
| DEUEL, SD (39) |
| DOUGLAS, MN (41) |
| DOUGLAS, SD (43) |
| FAULK, SD (49) |
| GRANT, MN (51) |
| GRANT, SD (51) |
| GREGORY, SD (53) |
| HAMLIN, SD (57) |
| HAND, SD (59) |
| HANSON, SD (61) |
| HENNEPIN, MN (53) |
| HUBBARD, MN (57) |
| HUTCHINSON, SD (67) |
| HYDE, SD (69) |
| ISANTI, MN (59) |
| ITASCA, MN (61) |
| JACKSON, MN (63) |
| JACKSON, SD (71) |
| JERAULD, SD (73) |
| KANABEC, MN (65) |
| KANDIYOHI, MN (67) |
| KINGSBURY, SD (77) |
| KITTSON, MN (69) |
| KOOCHICHING, MN (71) |
| LAC QUI PARLE, MN (73) |
| LAKE OF THE WOODS, MN (77) |
| LAKE, MN (75) |
| LAKE, SD (79) |
| LE SUEUR, MN (79) |
| LINCOLN, MN (81) |
| LINCOLN, SD (83) |
| LYMAN, SD (85) |
| LYON, MN (83) |
| MAHNOMEN, MN (87) |
| MARSHALL, MN (89) |
| MARSHALL, SD (91) |
| MC COOK, SD (87) |
| MC LEOD, MN (85) |
| MEEKER, MN (93) |
| MELLETTE, SD (95) |
| MILLE LACS, MN (95) |
| MINER, SD (97) |
| MINNEHAHA, SD (99) |
| MOODY, SD (101) |
| MORRISON, MN (97) |
| MURRAY, MN (101) |
| NICOLLET, MN (103) |
| NOBLES, MN (105) |
| NORMAN, MN (107) |
| OTTER TAIL, MN (111) |
| PENNINGTON, MN (113) |
| PINE, MN (115) |
| PIPESTONE, MN (117) |
| POLK, MN (119) |
| POPE, MN (121) |
| RAMSEY, MN (123) |
| RED LAKE, MN (125) |
| REDWOOD, MN (127) |
| RENVILLE, MN (129) |
| ROBERTS, SD (109) |
| ROCK, MN (133) |
| ROSEAU, MN (135) |
| SANBORN, SD (111) |
| SCOTT, MN (139) |
| SHERBURNE, MN (141) |
| SIBLEY, MN (143) |
| SPINK, SD (115) |
| ST LOUIS, MN (137) |
| STEARNS, MN (145) |
| STEVENS, MN (149) |
| SWIFT, MN (151) |
| TODD, MN (153) |
| TODD, SD (121) |
| TRAVERSE, MN (155) |
| TRIPP, SD (123) |
| TURNER, SD (125) |
| UNION, SD (127) |
| WADENA, MN (159) |
| WASHINGTON, MN (163) |
| WATONWAN, MN (165) |
| WILKIN, MN (167) |
| WRIGHT, MN (171) |
| YANKTON, SD (135) |
| YELLOW MEDICINE, MN (173) |
325 - Iowa Shelf | ALLAMAKEE, IA (5) |
| APPANOOSE, IA (7) |
| AUDUBON, IA (9) |
| BENTON, IA (11) |
| BLACK HAWK, IA (13) |
| BOONE, IA (15) |
| BREMER, IA (17) |
| BUCHANAN, IA (19) |
| BUENA VISTA, IA (21) |
| BUTLER, IA (23) |
| CALHOUN, IA (25) |
| CARROLL, IA (27) |
| CEDAR, IA (31) |
| CERRO GORDO, IA (33) |
| CHEROKEE, IA (35) |
| CHICKASAW, IA (37) |
| CLARKE, IA (39) |
| CLAY, IA (41) |
| CLAYTON, IA (43) |
| CLINTON, IA (45) |
| CRAWFORD, IA (47) |
| DALLAS, IA (49) |
| DAVIS, IA (51) |
| DECATUR, IA (53) |
| DELAWARE, IA (55) |
| DES MOINES, IA (57) |
| DICKINSON, IA (59) |
| DODGE, MN (39) |
| DUBUQUE, IA (61) |
| EMMET, IA (63) |
| FARIBAULT, MN (43) |
| FAYETTE, IA (65) |
| FILLMORE, MN (45) |
| FLOYD, IA (67) |
| FRANKLIN, IA (69) |
| FREEBORN, MN (47) |
| GOODHUE, MN (49) |
| GREENE, IA (73) |
| GRUNDY, IA (75) |
| GUTHRIE, IA (77) |
| HAMILTON, IA (79) |
| HANCOCK, IA (81) |
| HARDIN, IA (83) |
| HARRISON, IA (85) |
| HENRY, IA (87) |
| HOUSTON, MN (55) |
| HOWARD, IA (89) |
| HUMBOLDT, IA (91) |
| IDA, IA (93) |
| IOWA, IA (95) |
| JACKSON, IA (97) |
| JASPER, IA (99) |
| JEFFERSON, IA (101) |
| JOHNSON, IA (103) |
| JONES, IA (105) |
| KEOKUK, IA (107) |
| KOSSUTH, IA (109) |
| LEE, IA (111) |
| LINN, IA (113) |
| LOUISA, IA (115) |
| LUCAS, IA (117) |
| LYON, IA (119) |
| MADISON, IA (121) |
| MAHASKA, IA (123) |
| MARION, IA (125) |
| MARSHALL, IA (127) |
| MARTIN, MN (91) |
| MITCHELL, IA (131) |
| MONONA, IA (133) |
| MONROE, IA (135) |
| MOWER, MN (99) |
| MUSCATINE, IA (139) |
| O BRIEN, IA (141) |
| OLMSTED, MN (109) |
| OSCEOLA, IA (143) |
| PALO ALTO, IA (147) |
| PLYMOUTH, IA (149) |
| POCAHONTAS, IA (151) |
| POLK, IA (153) |
| POWESHIEK, IA (157) |
| RICE, MN (131) |
| SAC, IA (161) |
| SCOTT, IA (163) |
| SHELBY, IA (165) |
| SIOUX, IA (167) |
| STEELE, MN (147) |
| STORY, IA (169) |
| TAMA, IA (171) |
| VAN BUREN, IA (177) |
| WABASHA, MN (157) |
| WAPELLO, IA (179) |
| WARREN, IA (181) |
| WASECA, MN (161) |
| WASHINGTON, IA (183) |
| WAYNE, IA (185) |
| WEBSTER, IA (187) |
| WINNEBAGO, IA (189) |
| WINNESHIEK, IA (191) |
| WINONA, MN (169) |
| WOODBURY, IA (193) |
| WORTH, IA (195) |
| WRIGHT, IA (197) |
330 - Lincoln Anticline | ADAIR, MO (1) |
| AUDRAIN, MO (7) |
| CLARK, MO (45) |
| KNOX, MO (103) |
| LEWIS, MO (111) |
| LINCOLN, MO (113) |
| MACON, MO (121) |
| MARION, MO (127) |
| MONROE, MO (137) |
| MONTGOMERY, MO (139) |
| PIKE, MO (163) |
| RALLS, MO (173) |
| SCHUYLER, MO (197) |
| SCOTLAND, MO (199) |
| SHELBY, MO (205) |
335 - Forest City Basin | ADAIR, IA (1) |
| ADAMS, IA (3) |
| ANDERSON, KS (3) |
| ANDREW, MO (3) |
| ATCHISON, KS (5) |
| ATCHISON, MO (5) |
| BATES, MO (13) |
| BROWN, KS (13) |
| BUCHANAN, MO (21) |
| CALDWELL, MO (25) |
| CARROLL, MO (33) |
| CASS, IA (29) |
| CASS, MO (37) |
| CLAY, MO (47) |
| CLINTON, MO (49) |
| COFFEY, KS (31) |
| DAVIESS, MO (61) |
| DE KALB, MO (63) |
| DONIPHAN, KS (43) |
| DOUGLAS, KS (45) |
| FRANKLIN, KS (59) |
| FREMONT, IA (71) |
| GENTRY, MO (75) |
| GRUNDY, MO (79) |
| HARRISON, MO (81) |
| HENRY, MO (83) |
| HOLT, MO (87) |
| JACKSON, KS (85) |
| JACKSON, MO (95) |
| JEFFERSON, KS (87) |
| JOHNSON, KS (91) |
| JOHNSON, MO (101) |
| LAFAYETTE, MO (107) |
| LEAVENWORTH, KS (103) |
| LINN, KS (107) |
| LINN, MO (115) |
| LIVINGSTON, MO (117) |
| LYON, KS (111) |
| MERCER, MO (129) |
| MIAMI, KS (121) |
| MILLS, IA (129) |
| MONTGOMERY, IA (137) |
| NEMAHA, NE (127) |
| NODAWAY, MO (147) |
| OSAGE, KS (139) |
| PAGE, IA (145) |
| PLATTE, MO (165) |
| POTTAWATTAMIE, IA (155) |
| PUTNAM, MO (171) |
| RAY, MO (177) |
| RICHARDSON, NE (147) |
| RINGGOLD, IA (159) |
| SHAWNEE, KS (177) |
| SULLIVAN, MO (211) |
| TAYLOR, IA (173) |
| UNION, IA (175) |
| WABAUNSEE, KS (197) |
| WORTH, MO (227) |
| WYANDOTTE, KS (209) |
340 - Ozark Uplift | BARRY, MO (9) |
| BAXTER, AR (5) |
| BENTON, AR (7) |
| BENTON, MO (15) |
| BOLLINGER, MO (17) |
| BOONE, AR (9) |
| BOONE, MO (19) |
| BUTLER, MO (23) |
| CALLAWAY, MO (27) |
| CAMDEN, MO (29) |
| CAPE GIRARDEAU, MO (31) |
| CARROLL, AR (15) |
| CARTER, MO (35) |
| CHARITON, MO (41) |
| CHRISTIAN, MO (43) |
| COLE, MO (51) |
| COOPER, MO (53) |
| CRAWFORD, MO (55) |
| DADE, MO (57) |
| DALLAS, MO (59) |
| DENT, MO (65) |
| DOUGLAS, MO (67) |
| FRANKLIN, MO (71) |
| FULTON, AR (49) |
| GASCONADE, MO (73) |
| GREENE, MO (77) |
| HICKORY, MO (85) |
| HOWARD, MO (89) |
| HOWELL, MO (91) |
| IRON, MO (93) |
| IZARD, AR (65) |
| JASPER, MO (97) |
| LACLEDE, MO (105) |
| LAWRENCE, AR (75) |
| LAWRENCE, MO (109) |
| MADISON, MO (123) |
| MARIES, MO (125) |
| MARION, AR (89) |
| MC DONALD, MO (119) |
| MILLER, MO (131) |
| MONITEAU, MO (135) |
| MORGAN, MO (141) |
| NEWTON, MO (145) |
| OREGON, MO (149) |
| OSAGE, MO (151) |
| OZARK, MO (153) |
| PERRY, MO (157) |
| PETTIS, MO (159) |
| PHELPS, MO (161) |
| POLK, MO (167) |
| PULASKI, MO (169) |
| RANDOLPH, AR (121) |
| RANDOLPH, MO (175) |
| REYNOLDS, MO (179) |
| RIPLEY, MO (181) |
| SALINE, MO (195) |
| SHANNON, MO (203) |
| SHARP, AR (135) |
| ST FRANCOIS, MO (187) |
| ST GENEVIEVE, MO (193) |
| ST LOUIS CITY, MO (510) |
| STONE, MO (209) |
| TANEY, MO (213) |
| TEXAS, MO (215) |
| WARREN, MO (219) |
| WASHINGTON, MO (221) |
| WAYNE, MO (223) |
| WEBSTER, MO (225) |
| WRIGHT, MO (229) |
345 - Arkoma Basin | ADAIR, OK (1) |
| CLEBURNE, AR (23) |
| COAL, OK (29) |
| CONWAY, AR (29) |
| CRAWFORD, AR (33) |
| FAULKNER, AR (45) |
| FRANKLIN, AR (47) |
| HASKELL, OK (61) |
| INDEPENDENCE, AR (63) |
| JOHNSON, AR (71) |
| LATIMER, OK (77) |
| LE FLORE, OK (79) |
| LOGAN, AR (83) |
| MADISON, AR (87) |
| NEWTON, AR (101) |
| PERRY, AR (105) |
| PITTSBURG, OK (121) |
| PONTOTOC, OK (123) |
| POPE, AR (115) |
| SCOTT, AR (127) |
| SEARCY, AR (129) |
| SEBASTIAN, AR (131) |
| SEQUOYAH, OK (135) |
| STONE, AR (137) |
| VAN BUREN, AR (141) |
| WASHINGTON, AR (143) |
| WHITE, AR (145) |
| YELL, AR (149) |
350 - South Oklahoma Folded Belt | CARTER, OK (19) |
| COMANCHE, OK (31) |
| COOKE, TX (97) |
| COTTON, OK (33) |
| GARVIN, OK (49) |
| GRAYSON, TX (181) |
| GREER, OK (55) |
| JEFFERSON, OK (67) |
| JOHNSTON, OK (69) |
| KIOWA, OK (75) |
| LOVE, OK (85) |
| MARSHALL, OK (95) |
| MURRAY, OK (99) |
| STEPHENS, OK (137) |
355 - Chautauqua Platform | CHEROKEE, OK (21) |
| CLEVELAND, OK (27) |
| CRAIG, OK (35) |
| CREEK, OK (37) |
| DELAWARE, OK (41) |
| HUGHES, OK (63) |
| KAY, OK (71) |
| LINCOLN, OK (81) |
| LOGAN, OK (83) |
| MAYES, OK (97) |
| MC CLAIN, OK (87) |
| MC INTOSH, OK (91) |
| MUSKOGEE, OK (101) |
| NOBLE, OK (103) |
| NOWATA, OK (105) |
| OKFUSKEE, OK (107) |
| OKLAHOMA, OK (109) |
| OKMULGEE, OK (111) |
| OSAGE, OK (113) |
| OTTAWA, OK (115) |
| PAWNEE, OK (117) |
| PAYNE, OK (119) |
| POTTAWATOMIE, OK (125) |
| ROGERS, OK (131) |
| SEMINOLE, OK (133) |
| TULSA, OK (143) |
| WAGONER, OK (145) |
| WASHINGTON, OK (147) |
360 - Anadarko Basin | ALFALFA, OK (3) |
| BACA, CO (9) |
| BEAVER, OK (7) |
| BECKHAM, OK (9) |
| BLAINE, OK (11) |
| CADDO, OK (15) |
| CANADIAN, OK (17) |
| CARSON, TX (65) |
| CLARK, KS (25) |
| COMANCHE, KS (33) |
| CUSTER, OK (39) |
| DEWEY, OK (43) |
| EDWARDS, KS (47) |
| ELLIS, OK (45) |
| FINNEY, KS (55) |
| FORD, KS (57) |
| GARFIELD, OK (47) |
| GOVE, KS (63) |
| GRADY, OK (51) |
| GRANT, KS (67) |
| GRANT, OK (53) |
| GRAY, KS (69) |
| GRAY, TX (179) |
| GREELEY, KS (71) |
| HAMILTON, KS (75) |
| HANSFORD, TX (195) |
| HARPER, OK (59) |
| HASKELL, KS (81) |
| HEMPHILL, TX (211) |
| HODGEMAN, KS (83) |
| HUTCHINSON, TX (233) |
| KEARNY, KS (93) |
| KINGFISHER, OK (73) |
| KIOWA, KS (97) |
| LANE, KS (101) |
| LIPSCOMB, TX (295) |
| LOGAN, KS (109) |
| MAJOR, OK (93) |
| MEADE, KS (119) |
| MOORE, TX (341) |
| MORTON, KS (129) |
| NESS, KS (135) |
| OCHILTREE, TX (357) |
| POTTER, TX (375) |
| PROWERS, CO (99) |
| ROBERTS, TX (393) |
| ROGER MILLS, OK (129) |
| SCOTT, KS (171) |
| SEWARD, KS (175) |
| SHERMAN, TX (421) |
| STANTON, KS (187) |
| STEVENS, KS (189) |
| TEXAS, OK (139) |
| WALLACE, KS (199) |
| WASHITA, OK (149) |
| WHEELER, TX (483) |
| WICHITA, KS (203) |
| WOODS, OK (151) |
| WOODWARD, OK (153) |
365 - Cherokee Basin | ALLEN, KS (1) |
| BARTON, MO (11) |
| BOURBON, KS (11) |
| CEDAR, MO (39) |
| CHAUTAUQUA, KS (19) |
| CHEROKEE, KS (21) |
| CRAWFORD, KS (37) |
| ELK, KS (49) |
| GREENWOOD, KS (73) |
| LABETTE, KS (99) |
| MONTGOMERY, KS (125) |
| NEOSHO, KS (133) |
| ST CLAIR, MO (185) |
| VERNON, MO (217) |
| WILSON, KS (205) |
| WOODSON, KS (207) |
370 - Nemaha Anticline | BUTLER, KS (15) |
| CASS, NE (25) |
| CHASE, KS (17) |
| COWLEY, KS (35) |
| DOUGLAS, NE (55) |
| GAGE, NE (67) |
| GEARY, KS (61) |
| JOHNSON, NE (97) |
| MARSHALL, KS (117) |
| MORRIS, KS (127) |
| NEMAHA, KS (131) |
| OTOE, NE (131) |
| PAWNEE, NE (133) |
| POTTAWATOMIE, KS (149) |
| RILEY, KS (161) |
| SARPY, NE (153) |
375 - Sedgwick Basin | BARBER, KS (7) |
| HARPER, KS (77) |
| HARVEY, KS (79) |
| KINGMAN, KS (95) |
| MARION, KS (115) |
| MC PHERSON, KS (113) |
| RENO, KS (155) |
| SEDGWICK, KS (173) |
| SUMNER, KS (191) |
380 - Salina Basin | ADAMS, NE (1) |
| ANTELOPE, NE (3) |
| BLAINE, NE (9) |
| BOONE, NE (11) |
| BOYD, NE (15) |
| BROWN, NE (17) |
| BUFFALO, NE (19) |
| BURT, NE (21) |
| BUTLER, NE (23) |
| CEDAR, NE (27) |
| CLAY, KS (27) |
| CLAY, NE (35) |
| CLOUD, KS (29) |
| COLFAX, NE (37) |
| CUMING, NE (39) |
| CUSTER, NE (41) |
| DAKOTA, NE (43) |
| DICKINSON, KS (41) |
| DIXON, NE (51) |
| DODGE, NE (53) |
| FILLMORE, NE (59) |
| FRANKLIN, NE (61) |
| GARFIELD, NE (71) |
| GREELEY, NE (77) |
| HALL, NE (79) |
| HAMILTON, NE (81) |
| HARLAN, NE (83) |
| HOLT, NE (89) |
| HOWARD, NE (93) |
| JEFFERSON, NE (95) |
| JEWELL, KS (89) |
| KEARNEY, NE (99) |
| KEYA PAHA, NE (103) |
| KNOX, NE (107) |
| LANCASTER, NE (109) |
| LINCOLN, KS (105) |
| LOUP, NE (115) |
| MADISON, NE (119) |
| MERRICK, NE (121) |
| MITCHELL, KS (123) |
| NANCE, NE (125) |
| NUCKOLLS, NE (129) |
| OSBORNE, KS (141) |
| OTTAWA, KS (143) |
| PHELPS, NE (137) |
| PIERCE, NE (139) |
| PLATTE, NE (141) |
| POLK, NE (143) |
| REPUBLIC, KS (157) |
| ROCK, NE (149) |
| SALINE, KS (169) |
| SALINE, NE (151) |
| SAUNDERS, NE (155) |
| SEWARD, NE (159) |
| SHERMAN, NE (163) |
| SMITH, KS (183) |
| STANTON, NE (167) |
| THAYER, NE (169) |
| THURSTON, NE (173) |
| VALLEY, NE (175) |
| WASHINGTON, KS (201) |
| WASHINGTON, NE (177) |
| WAYNE, NE (179) |
| WEBSTER, NE (181) |
| WHEELER, NE (183) |
| YORK, NE (185) |
385 - Central Kansas Uplift | BARTON, KS (9) |
| DECATUR, KS (39) |
| ELLIS, KS (51) |
| ELLSWORTH, KS (53) |
| GRAHAM, KS (65) |
| NORTON, KS (137) |
| PAWNEE, KS (145) |
| PHILLIPS, KS (147) |
| PRATT, KS (151) |
| RICE, KS (159) |
| ROOKS, KS (163) |
| RUSH, KS (165) |
| RUSSELL, KS (167) |
| SHERIDAN, KS (179) |
| STAFFORD, KS (185) |
| TREGO, KS (195) |
390 - Chadron Arch | ARTHUR, NE (5) |
| BOX BUTTE, NE (13) |
| CHASE, NE (29) |
| CHERRY, NE (31) |
| DAWES, NE (45) |
| DAWSON, NE (47) |
| DUNDY, NE (57) |
| FRONTIER, NE (63) |
| FURNAS, NE (65) |
| GOSPER, NE (73) |
| GRANT, NE (75) |
| HAYES, NE (85) |
| HITCHCOCK, NE (87) |
| HOOKER, NE (91) |
| KEITH, NE (101) |
| LINCOLN, NE (111) |
| LOGAN, NE (113) |
| MC PHERSON, NE (117) |
| PERKINS, NE (135) |
| RED WILLOW, NE (145) |
| SHANNON, SD (113) |
| SHERIDAN, NE (161) |
| THOMAS, NE (171) |
395 - Williston Basin | ADAMS, ND (1) |
| BARNES, ND (3) |
| BENSON, ND (5) |
| BILLINGS, ND (7) |
| BOTTINEAU, ND (9) |
| BOWMAN, ND (11) |
| BURKE, ND (13) |
| BURLEIGH, ND (15) |
| BUTTE, SD (19) |
| CAMPBELL, SD (21) |
| CASS, ND (17) |
| CAVALIER, ND (19) |
| CORSON, SD (31) |
| DANIELS, MT (19) |
| DAWSON, MT (21) |
| DEWEY, SD (41) |
| DICKEY, ND (21) |
| DIVIDE, ND (23) |
| DUNN, ND (25) |
| EDDY, ND (27) |
| EDMUNDS, SD (45) |
| EMMONS, ND (29) |
| FALLON, MT (25) |
| FOSTER, ND (31) |
| GARFIELD, MT (33) |
| GOLDEN VALLEY, ND (33) |
| GRAND FORKS, ND (35) |
| GRANT, ND (37) |
| GRIGGS, ND (39) |
| HAAKON, SD (55) |
| HARDING, SD (63) |
| HETTINGER, ND (41) |
| HUGHES, SD (65) |
| JONES, SD (75) |
| KIDDER, ND (43) |
| LA MOURE, ND (45) |
| LAWRENCE, SD (81) |
| LOGAN, ND (47) |
| MC CONE, MT (55) |
| MC HENRY, ND (49) |
| MC INTOSH, ND (51) |
| MC KENZIE, ND (53) |
| MC LEAN, ND (55) |
| MC PHERSON, SD (89) |
| MEADE, SD (93) |
| MERCER, ND (57) |
| MORTON, ND (59) |
| MOUNTRAIL, ND (61) |
| NELSON, ND (63) |
| OLIVER, ND (65) |
| PEMBINA, ND (67) |
| PENNINGTON, SD (103) |
| PERKINS, SD (105) |
| PHILLIPS, MT (71) |
| PIERCE, ND (69) |
| POTTER, SD (107) |
| PRAIRIE, MT (79) |
| RAMSEY, ND (71) |
| RANSOM, ND (73) |
| RENVILLE, ND (75) |
| RICHLAND, MT (83) |
| RICHLAND, ND (77) |
| ROLETTE, ND (79) |
| ROOSEVELT, MT (85) |
| SARGENT, ND (81) |
| SHERIDAN, MT (91) |
| SHERIDAN, ND (83) |
| SIOUX, ND (85) |
| SLOPE, ND (87) |
| STANLEY, SD (117) |
| STARK, ND (89) |
| STEELE, ND (91) |
| STUTSMAN, ND (93) |
| SULLY, SD (119) |
| TOWNER, ND (95) |
| TRAILL, ND (97) |
| VALLEY, MT (105) |
| WALSH, ND (99) |
| WALWORTH, SD (129) |
| WARD, ND (101) |
| WELLS, ND (103) |
| WIBAUX, MT (109) |
| WILLIAMS, ND (105) |
| ZIEBACH, SD (137) |
400 - Ouachita Folded Belt | ATOKA, OK (5) |
| BELL, TX (27) |
| BEXAR, TX (29) |
| BRYAN, OK (13) |
| CHOCTAW, OK (23) |
| CLARK, AR (19) |
| COLLIN, TX (85) |
| COMAL, TX (91) |
| DALLAS, AR (39) |
| DALLAS, TX (113) |
| ELLIS, TX (139) |
| FANNIN, TX (147) |
| GARLAND, AR (51) |
| GRANT, AR (53) |
| HAYS, TX (209) |
| HILL, TX (217) |
| HOT SPRING, AR (59) |
| HOWARD, AR (61) |
| KINNEY, TX (271) |
| LAMAR, TX (277) |
| LONOKE, AR (85) |
| MC CURTAIN, OK (89) |
| MC LENNAN, TX (309) |
| MEDINA, TX (325) |
| MONTGOMERY, AR (97) |
| PIKE, AR (109) |
| POLK, AR (113) |
| PULASKI, AR (119) |
| PUSHMATAHA, OK (127) |
| RED RIVER, TX (387) |
| SALINE, AR (125) |
| SEVIER, AR (133) |
| TRAVIS, TX (453) |
| UVALDE, TX (463) |
| WILLIAMSON, TX (491) |
405 - Kerr Basin | BANDERA, TX (19) |
| KENDALL, TX (259) |
| KERR, TX (265) |
| REAL, TX (385) |
410 - Llano Uplift | BLANCO, TX (31) |
| BURNET, TX (53) |
| GILLESPIE, TX (171) |
| LLANO, TX (299) |
| MASON, TX (319) |
| MC CULLOCH, TX (307) |
| SAN SABA, TX (411) |
415 - Strawn Basin | BOSQUE, TX (35) |
| CORYELL, TX (99) |
| ERATH, TX (143) |
| HAMILTON, TX (193) |
| HOOD, TX (221) |
| JOHNSON, TX (251) |
| SOMERVELL, TX (425) |
| TARRANT, TX (439) |
420 - Fort Worth Syncline | CLAY, TX (77) |
| DENTON, TX (121) |
| JACK, TX (237) |
| MONTAGUE, TX (337) |
| PARKER, TX (367) |
| WISE, TX (497) |
425 - Bend Arch | ARCHER, TX (9) |
| BAYLOR, TX (23) |
| BROWN, TX (49) |
| CALLAHAN, TX (59) |
| COLEMAN, TX (83) |
| COMANCHE, TX (93) |
| EASTLAND, TX (133) |
| LAMPASAS, TX (281) |
| MILLS, TX (333) |
| PALO PINTO, TX (363) |
| SHACKELFORD, TX (417) |
| STEPHENS, TX (429) |
| THROCKMORTON, TX (447) |
| YOUNG, TX (503) |
430 - Permian Basin | ANDREWS, TX (3) |
| BAILEY, TX (17) |
| BORDEN, TX (33) |
| BREWSTER, TX (43) |
| CHAVES, NM (5) |
| COCHRAN, TX (79) |
| COKE, TX (81) |
| CONCHO, TX (95) |
| COTTLE, TX (101) |
| CRANE, TX (103) |
| CROCKETT, TX (105) |
| CROSBY, TX (107) |
| CULBERSON, TX (109) |
| DAWSON, TX (115) |
| DICKENS, TX (125) |
| ECTOR, TX (135) |
| EDDY, NM (15) |
| EDWARDS, TX (137) |
| FISHER, TX (151) |
| FLOYD, TX (153) |
| GAINES, TX (165) |
| GARZA, TX (169) |
| GLASSCOCK, TX (173) |
| HALE, TX (189) |
| HASKELL, TX (207) |
| HOCKLEY, TX (219) |
| HOWARD, TX (227) |
| HUDSPETH, TX (229) |
| IRION, TX (235) |
| JEFF DAVIS, TX (243) |
| JONES, TX (253) |
| KENT, TX (263) |
| KIMBLE, TX (267) |
| KING, TX (269) |
| KNOX, TX (275) |
| LAMB, TX (279) |
| LEA, NM (25) |
| LOVING, TX (301) |
| LUBBOCK, TX (303) |
| LYNN, TX (305) |
| MARTIN, TX (317) |
| MENARD, TX (327) |
| MIDLAND, TX (329) |
| MITCHELL, TX (335) |
| MOTLEY, TX (345) |
| NOLAN, TX (353) |
| PECOS, TX (371) |
| PRESIDIO, TX (377) |
| REAGAN, TX (383) |
| REEVES, TX (389) |
| ROOSEVELT, NM (41) |
| RUNNELS, TX (399) |
| SCHLEICHER, TX (413) |
| SCURRY, TX (415) |
| STERLING, TX (431) |
| STONEWALL, TX (433) |
| SUTTON, TX (435) |
| TAYLOR, TX (441) |
| TERRELL, TX (443) |
| TERRY, TX (445) |
| TOM GREEN, TX (451) |
| UPTON, TX (461) |
| VAL VERDE, TX (465) |
| WARD, TX (475) |
| WINKLER, TX (495) |
| YOAKUM, TX (501) |
435 - Palo Duro Basin | ARMSTRONG, TX (11) |
| BRISCOE, TX (45) |
| CASTRO, TX (69) |
| CHILDRESS, TX (75) |
| CIMARRON, OK (25) |
| COLLINGSWORTH, TX (87) |
| CURRY, NM (9) |
| DALLAM, TX (111) |
| DE BACA, NM (11) |
| DEAF SMITH, TX (117) |
| DONLEY, TX (129) |
| FOARD, TX (155) |
| GUADALUPE, NM (19) |
| HALL, TX (191) |
| HARDEMAN, TX (197) |
| HARMON, OK (57) |
| HARTLEY, TX (205) |
| JACKSON, OK (65) |
| OLDHAM, TX (359) |
| PARMER, TX (369) |
| QUAY, NM (37) |
| RANDALL, TX (381) |
| SAN MIGUEL, NM (47) |
| SWISHER, TX (437) |
| TILLMAN, OK (141) |
| WICHITA, TX (485) |
| WILBARGER, TX (487) |
445 - Sierra Grande Uplift | HARDING, NM (21) |
| UNION, NM (59) |
450 - Las Animas Arch | BENT, CO (11) |
| CHEYENNE, CO (17) |
| CHEYENNE, KS (23) |
| KIOWA, CO (61) |
| KIT CARSON, CO (63) |
| OTERO, CO (89) |
| RAWLINS, KS (153) |
| SHERMAN, KS (181) |
| THOMAS, KS (193) |
455 - Las Vegas-Raton Basin | COLFAX, NM (7) |
| CUSTER, CO (27) |
| HUERFANO, CO (55) |
| LAS ANIMAS, CO (71) |
| MORA, NM (33) |
460 - Estancia Basin | BERNALILLO, NM (1) |
| SANTA FE, NM (49) |
| TORRANCE, NM (57) |
465 - Orogrande Basin | DONA ANA, NM (13) |
| EL PASO, TX (141) |
| LINCOLN, NM (27) |
| OTERO, NM (35) |
| SIERRA, NM (51) |
| SOCORRO, NM (53) |
470 - Pedregosa Basin | COCHISE, AZ (3) |
| HIDALGO, NM (23) |
475 - Basin-And-Range Province | CATRON, NM (3) |
| GILA, AZ (7) |
| GRAHAM, AZ (9) |
| GRANT, NM (17) |
| GREENLEE, AZ (11) |
| LA PAZ, AZ (12) |
| LUNA, NM (29) |
| MARICOPA, AZ (13) |
| PIMA, AZ (19) |
| PINAL, AZ (21) |
| SANTA CRUZ, AZ (23) |
| YAVAPAI, AZ (25) |
| YUMA, AZ (27) |
500 - Sweetgrass Arch | CASCADE, MT (13) |
| CHOUTEAU, MT (15) |
| GLACIER, MT (35) |
| HILL, MT (41) |
| JUDITH BASIN, MT (45) |
| LIBERTY, MT (51) |
| PONDERA, MT (73) |
| TETON, MT (99) |
| TOOLE, MT (101) |
503 - North Western Overthrust | FLATHEAD, MT (29) |
| LEWIS AND CLARK, MT (49) |
505 - Montana Folded Belt | BEAVERHEAD, MT (1) |
| BROADWATER, MT (7) |
| DEER LODGE, MT (23) |
| GALLATIN, MT (31) |
| GRANITE, MT (39) |
| JEFFERSON, MT (43) |
| LAKE, MT (47) |
| LINCOLN, MT (53) |
| MADISON, MT (57) |
| MEAGHER, MT (59) |
| MINERAL, MT (61) |
| MISSOULA, MT (63) |
| PARK, MT (67) |
| POWELL, MT (77) |
| RAVALLI, MT (81) |
| SANDERS, MT (89) |
| SILVER BOW, MT (93) |
| YELLOWSTONE NATIONAL PARK, MT (113) |
507 - Central Western Overthrust | BEAR LAKE, ID (7) |
| BONNEVILLE, ID (19) |
| CARIBOU, ID (29) |
| CLARK, ID (33) |
| FREMONT, ID (43) |
| JEFFERSON, ID (51) |
| LINCOLN, WY (23) |
| MADISON, ID (65) |
| MORGAN, UT (29) |
| RICH, UT (33) |
| SUMMIT, UT (43) |
| TETON, ID (81) |
| UINTA, WY (41) |
509 - South Western Overthrust | BEAVER, UT (1) |
| CLARK, NV (3) |
| IRON, UT (21) |
| JUAB, UT (23) |
| LINCOLN, NV (17) |
| MILLARD, UT (27) |
| UTAH, UT (49) |
| WASHINGTON, UT (53) |
510 - Central Montana Uplift | BLAINE, MT (5) |
| FERGUS, MT (27) |
| GOLDEN VALLEY, MT (37) |
| MUSSELSHELL, MT (65) |
| PETROLEUM, MT (69) |
| ROSEBUD, MT (87) |
| STILLWATER, MT (95) |
| SWEET GRASS, MT (97) |
| TREASURE, MT (103) |
| WHEATLAND, MT (107) |
| YELLOWSTONE, MT (111) |
515 - Powder River Basin | BIG HORN, MT (3) |
| CAMPBELL, WY (5) |
| CARTER, MT (11) |
| CONVERSE, WY (9) |
| CROOK, WY (11) |
| CUSTER, MT (17) |
| CUSTER, SD (33) |
| FALL RIVER, SD (47) |
| JOHNSON, WY (19) |
| NIOBRARA, WY (27) |
| POWDER RIVER, MT (75) |
| SHERIDAN, WY (33) |
| WESTON, WY (45) |
520 - Big Horn Basin | BIG HORN, WY (3) |
| CARBON, MT (9) |
| HOT SPRINGS, WY (17) |
| PARK, WY (29) |
| WASHAKIE, WY (43) |
525 - Yellowstone Province | TETON, WY (39) |
| YELLOWSTONE NATIONAL PARK, ID (89) |
| YELLOWSTONE NATIONAL PARK, WY (47) |
530 - Wind River Basin | FREMONT, WY (13) |
| NATRONA, WY (25) |
535 - Green River Basin | ALBANY, WY (1) |
| CARBON, WY (7) |
| MOFFAT, CO (81) |
| ROUTT, CO (107) |
| SUBLETTE, WY (35) |
| SWEETWATER, WY (37) |
540 - Denver Basin | ADAMS, CO (1) |
| ARAPAHOE, CO (5) |
| BANNER, NE (7) |
| BOULDER, CO (13) |
| CHEYENNE, NE (33) |
| CROWLEY, CO (25) |
| DENVER, CO (31) |
| DEUEL, NE (49) |
| DOUGLAS, CO (35) |
| EL PASO, CO (41) |
| ELBERT, CO (39) |
| FREMONT, CO (43) |
| GILPIN, CO (47) |
| GARDEN, NE (69) |
| GOSHEN, WY (15) |
| JEFFERSON, CO (59) |
| KIMBALL, NE (105) |
| LARAMIE, WY (21) |
| LARIMER, CO (69) |
| LINCOLN, CO (73) |
| LOGAN, CO (75) |
| MORGAN, CO (87) |
| MORRILL, NE (123) |
| PHILLIPS, CO (95) |
| PLATTE, WY (31) |
| PUEBLO, CO (101) |
| SCOTTS BLUFF, NE (157) |
| SEDGWICK, CO (115) |
| SIOUX, NE (165) |
| TELLER, CO (119) |
| WASHINGTON, CO (121) |
| WELD, CO (123) |
| YUMA, CO (125) |
545 - North Park Basin | GRAND, CO (49) |
| JACKSON, CO (57) |
550 - South Park Basin | PARK, CO (93) |
555 - Eagle Basin | CHAFFEE, CO (15) |
| CLEAR CREEK, CO (19) |
| EAGLE, CO (37) |
| LAKE, CO (65) |
| SUMMIT, CO (117) |
560 - San Luis Basin | ALAMOSA, CO (3) |
| CONEJOS, CO (21) |
| COSTILLA, CO (23) |
| RIO GRANDE, CO (105) |
| SAGUACHE, CO (109) |
| TAOS, NM (55) |
565 - San Juan Mountains Prov | HINSDALE, CO (53) |
| MINERAL, CO (79) |
| OURAY, CO (91) |
| SAN JUAN, CO (111) |
575 - Uinta Basin | CARBON, UT (7) |
| DAGGETT, UT (9) |
| DUCHESNE, UT (13) |
| UINTAH, UT (47) |
| WASATCH, UT (51) |
580 - San Juan Basin | ARCHULETA, CO (7) |
| CIBOLA, NM (6) |
| LA PLATA, CO (67) |
| LOS ALAMOS, NM (28) |
| MC KINLEY, NM (31) |
| RIO ARRIBA, NM (39) |
| SAN JUAN, NM (45) |
| SANDOVAL, NM (43) |
| VALENCIA, NM (61) |
585 - Paradox Basin | DOLORES, CO (33) |
| EMERY, UT (15) |
| GARFIELD, UT (17) |
| GRAND, UT (19) |
| MONTEZUMA, CO (83) |
| MONTROSE, CO (85) |
| SAN JUAN, UT (37) |
| SAN MIGUEL, CO (113) |
| WAYNE, UT (55) |
590 - Black Mesa Basin | APACHE, AZ (1) |
| NAVAJO, AZ (17) |
595 - Piceance Basin | DELTA, CO (29) |
| GARFIELD, CO (45) |
| GUNNISON, CO (51) |
| MESA, CO (77) |
| PITKIN, CO (97) |
| RIO BLANCO, CO (103) |
600 - N. Cascades-Okanagan Prov | CHELAN, WA (7) |
| FERRY, WA (19) |
| OKANOGAN, WA (47) |
| PEND OREILLE, WA (51) |
| SAN JUAN, WA (55) |
| SKAGIT, WA (57) |
| STEVENS, WA (65) |
605 - Eastern Columbia Basin | ADAMS, WA (1) |
| ASOTIN, WA (3) |
| BENTON, WA (5) |
| COLUMBIA, WA (13) |
| CROOK, OR (13) |
| DOUGLAS, WA (17) |
| FRANKLIN, WA (21) |
| GARFIELD, WA (23) |
| GILLIAM, OR (21) |
| GRANT, WA (25) |
| HOOD RIVER, OR (27) |
| JEFFERSON, OR (31) |
| KITTITAS, WA (37) |
| KLICKITAT, WA (39) |
| LATAH, ID (57) |
| LEWIS, ID (61) |
| LINCOLN, WA (43) |
| MORROW, OR (49) |
| NEZ PERCE, ID (69) |
| SHERMAN, OR (55) |
| SKAMANIA, WA (59) |
| SPOKANE, WA (63) |
| UMATILLA, OR (59) |
| UNION, OR (61) |
| WALLA WALLA, WA (71) |
| WALLOWA, OR (63) |
| WASCO, OR (65) |
| WHEELER, OR (69) |
| WHITMAN, WA (75) |
| YAKIMA, WA (77) |
610 - Idaho Mountains Province | BENEWAH, ID (9) |
| BOISE, ID (15) |
| BONNER, ID (17) |
| BOUNDARY, ID (21) |
| CLEARWATER, ID (35) |
| CUSTER, ID (37) |
| IDAHO, ID (49) |
| KOOTENAI, ID (55) |
| LEMHI, ID (59) |
| SHOSHONE, ID (79) |
| VALLEY, ID (85) |
615 - Snake River Basin | ADA, ID (1) |
| ADAMS, ID (3) |
| BAKER, OR (1) |
| BANNOCK, ID (5) |
| BINGHAM, ID (11) |
| BLAINE, ID (13) |
| BUTTE, ID (23) |
| CAMAS, ID (25) |
| CANYON, ID (27) |
| ELMORE, ID (39) |
| GEM, ID (45) |
| GOODING, ID (47) |
| GRANT, OR (23) |
| JEROME, ID (53) |
| LINCOLN, ID (63) |
| MALHEUR, OR (45) |
| MINIDOKA, ID (67) |
| OWYHEE, ID (73) |
| PAYETTE, ID (75) |
| POWER, ID (77) |
| TWIN FALLS, ID (83) |
| WASHINGTON, ID (87) |
620 - Southern Oregon Basin | DESCHUTES, OR (17) |
| HARNEY, OR (25) |
| KLAMATH, OR (35) |
| LAKE, OR (37) |
| LASSEN, CA (35) |
| MODOC, CA (49) |
| WASHOE, NV (31) |
625 - Great Basin Province | BOX ELDER, UT (3) |
| CARSON CITY, NV (510) |
| CASSIA, ID (31) |
| CHURCHILL, NV (1) |
| DOUGLAS, NV (5) |
| ELKO, NV (7) |
| ESMERALDA, NV (9) |
| EUREKA, NV (11) |
| FRANKLIN, ID (41) |
| HUMBOLDT, NV (13) |
| INYO, CA (27) |
| LANDER, NV (15) |
| LYON, NV (19) |
| MINERAL, NV (21) |
| MONO, CA (51) |
| NYE, NV (23) |
| ONEIDA, ID (71) |
| PERSHING, NV (27) |
| STOREY, NV (29) |
| TOOELE, UT (45) |
| WHITE PINE, NV (33) |
630 - Overthrust&Wasatch Uplift | CACHE, UT (5) |
| DAVIS, UT (11) |
| PIUTE, UT (31) |
| SALT LAKE, UT (35) |
| SANPETE, UT (39) |
| SEVIER, UT (41) |
| WEBER, UT (57) |
635 - Plateau Sedimentary Prov | COCONINO, AZ (5) |
| KANE, UT (25) |
| MOHAVE, AZ (15) |
640 - Mojave Basin | SAN BERNARDINO, CA (71) |
645 - Salton Basin | IMPERIAL, CA (25) |
| RIVERSIDE, CA (65) |
650 - Sierra Nevada Province | ALPINE, CA (3) |
| AMADOR, CA (5) |
| CALAVERAS, CA (9) |
| EL DORADO, CA (17) |
| MARIPOSA, CA (43) |
| NEVADA, CA (57) |
| PLACER, CA (61) |
| PLUMAS, CA (63) |
| SIERRA, CA (91) |
| TUOLUMNE, CA (109) |
| YUBA, CA (115) |
700 - Bellingham Basin | WHATCOM, WA (73) |
705 - Puget Sound Province | ISLAND, WA (29) |
| KING, WA (33) |
| KITSAP, WA (35) |
| MASON, WA (45) |
| PIERCE, WA (53) |
| SNOHOMISH, WA (61) |
710 - Western Columbia Basin | BENTON, OR (3) |
| CLACKAMAS, OR (5) |
| CLALLAM, WA (9) |
| CLARK, WA (11) |
| CLATSOP, OR (7) |
| COLUMBIA, OR (9) |
| COOS, OR (11) |
| COWLITZ, WA (15) |
| CURRY, OR (15) |
| DOUGLAS, OR (19) |
| GRAYS HARBOR, WA (27) |
| JEFFERSON, WA (31) |
| LANE, OR (39) |
| LEWIS, WA (41) |
| LINCOLN, OR (41) |
| LINN, OR (43) |
| MARION, OR (47) |
| MULTNOMAH, OR (51) |
| PACIFIC, WA (49) |
| POLK, OR (53) |
| THURSTON, WA (67) |
| TILLAMOOK, OR (57) |
| WAHKIAKUM, WA (69) |
| WASHINGTON, OR (67) |
| YAMHILL, OR (71) |
715 - Klamath Mountains Province | DEL NORTE, CA (15) |
| JACKSON, OR (29) |
| JOSEPHINE, OR (33) |
| SHASTA, CA (89) |
| SISKIYOU, CA (93) |
| TRINITY, CA (105) |
720 - Eel River Basin | HUMBOLDT, CA (23) |
725 - Northern Coast Range Prov | ALAMEDA, CA (1) |
| LAKE, CA (33) |
| MENDOCINO, CA (45) |
| NAPA, CA (55) |
| SANTA CLARA, CA (85) |
| SONOMA, CA (97) |
730 - Sacramento Basin | BUTTE, CA (7) |
| COLUSA, CA (11) |
| CONTRA COSTA, CA (13) |
| GLENN, CA (21) |
| SACRAMENTO, CA (67) |
| SAN JOAQUIN, CA (77) |
| SOLANO, CA (95) |
| SUTTER, CA (101) |
| TEHAMA, CA (103) |
| YOLO, CA (113) |
735 - Santa Cruz Basin | MARIN, CA (41) |
| SAN FRANCISCO, CA (75) |
| SAN MATEO, CA (81) |
| SANTA CRUZ, CA (87) |
740 - Coastal Basins | MONTEREY, CA (53) |
| SAN LUIS OBISPO, CA (79) |
745 - San Joaquin Basin |
|
| FRESNO, CA (19) |
| KERN, CA (29) |
| KINGS, CA (31) |
| MADERA, CA (39) |
| MERCED, CA (47) |
| SAN BENITO, CA (69) |
| STANISLAUS, CA (99) |
| TULARE, CA (107) |
750 - Santa Maria Basin | SANTA BARBARA, CA (83) |
755 - Ventura Basin |
|
| VENTURA, CA (111) |
760 - Los Angeles Basin |
|
| LOS ANGELES, CA (37) |
| ORANGE, CA (59) |
765 - Capistrano Basin | SAN DIEGO, CA (73) |
800 - Southeastern Alaska Provinces | ATLIN, AK (15) |
| BRADFIELD CANAL, AK (47) |
| CRAIG, AK (71) |
| DIXON ENTRANCE, AK (79) |
| FAIRWEATHER, AK (85) |
| JUNEAU, AK (123) |
| KETCHIKAN, AK (135) |
| PETERSBURG, AK (201) |
| PORT ALEXANDER, AK (209) |
| PRINCE RUPERT, AK (215) |
| SITKA, AK (241) |
| SKAGWAY, AK (243) |
| SUMDUM, AK (257) |
| TAKU RIVER, AK (265) |
810 - Gulf of Alaska Basin | BERING GLACIER, AK (33) |
| CORDOVA, AK (69) |
| ICY BAY, AK (115) |
| MT. ST. ELIAS, AK (181) |
| YAKUTAT, AK (305) |
815 - Copper River Basin | GULKANA, AK (99) |
| MCCARTHY, AK (159) |
| SEWARD, AK (233) |
| TALKEETNA MTS., AK (269) |
| VALDEZ, AK (299) |
820 - AK Cook Inlet Basin | AFOGNAK, AK (3) |
| ANCHORAGE, AK (9) |
| BLYING SOUND, AK (45) |
| ILIAMNA, AK (121) |
| KENAI PENINSULA, AK (609) |
| KENAI PENINSULA, AK (721) |
| KENAI PENINSULA, AK (733) |
| KENAI PENINSULA, AK (831) |
| KENAI PENINSULA, AK (883) |
| KENAI, AK (133) |
| LAKE CLARK, AK (149) |
| LIME HILLS, AK (151) |
| SELDOVIA, AK (231) |
| TALKEETNA, AK (267) |
| TYONEK, AK (283) |
825 - Alaska Peninsula Province |
|
| CHIGNIK, AK (61) |
| KARLUK, AK (129) |
| MT. KATMAI, AK (175) |
| STEPOVAK BAY, AK (251) |
| SUTWIK ISLAND, AK (261) |
| UGASHIK, AK (285) |
830 - Yukon-Porcupine Province | BEAVER, AK (27) |
| BETTLES, AK (37) |
| BLACK RIVER, AK (43) |
| CHARLEY RIVER, AK (59) |
| CHRISTIAN, AK (63) |
| CIRCLE, AK (65) |
| COLEEN, AK (67) |
| FORT YUKON, AK (91) |
840 - Yukon-Koyukuk Province | BAIRD INLET, AK (19) |
| BENDELEBEN, AK (31) |
| BETHEL, AK (35) |
| BLACK, AK (41) |
| CANDLE, AK (51) |
| DILLINGHAM, AK (77) |
| GOODNEWS BAY, AK (97) |
| HAGEMEISTER ISLAND, AK (101) |
| HOLY CROSS, AK (107) |
| HOOPER BAY, AK (109) |
| HUGHES, AK (113) |
| IDITAROD, AK (117) |
| KATEEL RIVER, AK (131) |
| KUSKOKWIM BAY, AK (145) |
| KWIGUK, AK (147) |
| MARSHALL, AK (157) |
| MELOZITNA, AK (167) |
| NOME, AK (189) |
| NORTON BAY, AK (191) |
| NULATO, AK (193) |
| NUNIVAK ISLAND, AK (195) |
| OPHIR, AK (199) |
| RUSSIAN MISSION, AK (221) |
| SHUNGNAK, AK (237) |
| SLEETMUTE, AK (245) |
| SOLOMON, AK (247) |
| ST. MICHAEL, AK (255) |
| TELLER, AK (277) |
| UNALAKLEET, AK (291) |
845 - Bristol Bay Basin | BRISTOL BAY, AK (49) |
| COLD BAY, AK (93) |
| NAKNEK, AK (185) |
| NUSHAGAK BAY, AK (197) |
| PORT MOLLER, AK (211) |
860 - Selawik Lowland Basins | KOTZEBUE, AK (143) |
| SELAWIK, AK (229) |
| SHISHMAREF, AK (235) |
880 - Interior Lowlands Basin | BIG DELTA, AK (39) |
| EAGLE, AK (81) |
| FAIRBANKS, AK (83) |
| HEALY, AK (105) |
| KANTIAHNA RVR., AK (127) |
| LIVENGOOD, AK (153) |
| MCGRATH, AK (161) |
| MEDFRA, AK (165) |
| MT. HAYES, AK (173) |
| MT. MCKINLEY, AK (177) |
| NABESNA, AK (183) |
| RUBY, AK (219) |
| TANACROSS, AK (271) |
| TANANA, AK (273) |
| TAYLOR MTS., AK (275) |
884 - Brooks Range Province | AMBLER RIVER, AK (5) |
| ARCTIC, AK (11) |
| BAIRD MOUNTAINS, AK (21) |
| CHANDALAR, AK (55) |
| PHIL. SMITH MT., AK (203) |
| SURVEY PASS, AK (259) |
| TABLE MTN., AK (263) |
| WISEMAN, AK (303) |
885 - Southern Foothills Province | CHANDLER LAKE, AK (57) |
| DE LONG MOUNTAINS, AK (73) |
| HOWARD PASS, AK (111) |
| KILLIK RIVER, AK (137) |
| MISHEGUK MTN., AK (171) |
| NOATAK, AK (187) |
| POINT HOPE, AK (205) |
886 - Northern Foothills Province | POINT LAY, AK (207) |
| UTUKOK RIVER, AK (297) |
890 - Arctic Coastal Plains Province | BARROW, AK (23) |
| BARTER ISLAND, AK (25) |
| BEECHEY POINT, AK (29) |
| DEMARCATION POINT, AK (75) |
| FLAXMAN ISLAND, AK (89) |
| HARRISON BAY, AK (103) |
| IKPIKPUK RVR., AK (119) |
| LOOKOUT RIDGE, AK (155) |
| MEADE RIVER, AK (163) |
| MT. MICHELSON, AK (179) |
| SAGAVANIRKTOK, AK (223) |
| TESHEKPUK, AK (279) |
| UMIAT, AK (287) |
| WAINWRIGHT, AK (301) |
984 - Kodiak State | KODIAK ISLAND, AK (150) |
Subpart W Basin and County Combinations
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