Subpart W Basin and County Combinations

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)

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