North America
Atlantic Coastal Plain
- 34 Cost G1 Well Georges Bank Basin
- 111 Cost G2 Well Georges Bank Basin
- 112 Northern Coastal Plain
- 113 Northern Neck Peninsula
- 114 Raritan Bay
- 115 Brick Township
- 116 Middle Peninsula
- 117 South Bank of James River
- 118 York-james Peninsula
- 119 Southwestern Coastal Plain
- 120 Southeastern Coastal Plain
- 121 Eastern Shore
- 122 Murfreesboro
- 123 Great Dismal Swamp
- 124 Albemarle Sound-Alligator River
- 125 Pungo Lake
- 126 Farmville
- 127 Inner Coastal Plain
- 128 Cape Lookout
- 129 Trenton-columbus-new Egypt
- 130 Island Beach
- 131 Gloucester County-Salem County
- 132 Cape May
- 133 Chesapeake and Delaware Canal
- 134 Odessa
- 135 Deakyneville
- 136 Dover
- 137 Greenwood
- 138 Atlantic Coast
- 139 Offshore Mid-Atlantic
- 140 Upper Chesapeake Bay
- 141 Potomac Estuary
- 142 Atlantic Coast
- 143 Surf City
- 144 Pedee
- 145 Congaree
- 146 Lower Santee-Edisto
- 147 Aiken
Central California
- 547 Western Santa Clara County
- 548 Petaluma - Santa Rosa
- 549 Point Arena
- 550 Ben Lomond
- 551 La Honda
- 552 Pigeon Point
- 553 Pilarcitos
- 554 Point Reyes
- 555 Indians Ranch
- 556 Indian and Shell Creeks, La Panza Range
- 557 Santa Margarita / Atascadero
- 558 Carmel Valley
- 559 San Juan Bautista
- 560 Bolado Park
- 561 Vallecitos / Panoche Hills
- 562 Priest Valley - Coalinga
- 563 North Kettleman Hills
- 564 Orchard Peak
- 565 Avenal - Devil
- 566 Lost Hills - Belridge
- 567 Cymric - Railroad Gap
- 568 Elk Hills
- 569 Midway - Sunset
- 570 Wheeler Ridge
- 571 Tejon
- 572 Edison / Mountain View
- 573 Bakersfield Arch
- 574 Trico
- 575 Helm/Riverdale
Central-Southern Rockies
- 486 Absaroka and Washakie Ranges
- 487 Yellowstone Volcanic Area
- 488 Estancia Basin
- 489 San Juan Basin
- 490 Black Mesa Basin
- 491 Plateau Province
- 492 Sierra Grande Uplift
- 493 Las Vegas - Raton Basin
- 494 San Juan Mountain Uplift
- 495 Paradox Basin
- 496 South Park Basin
- 497 Eastern Denver Basin
- 498 Western Denver Basin
- 499 Eagle Basin
- 500 Piceance Basin
- 501 Eastern Unita Basin
- 502 Western Uinta Basin
- 503 Hanna and Laramie Basins
- 504 Rocks Springs Uplift
- 505 Green River Basin
- 506 Great Divide and Washakie Basins
- 507 Thrust Belt and Fossil Basin
- 508 Laramie Mountains
- 509 Granite Mountains Uplift and Shirley Basin
- 510 Wind River Range and Wind River Basin
- 511 Teton and Gros Ventre Ranges
- 512 Black Hills
- 513 Bighorn Mountains
- 514 Owl Creek Mountains
- 515 Bighorn Basin
Great Basin
- 455 Northwestern Nevada, Humboldt and Washoe Counties
- 456 Winnemucca-battle Mountain Area, Nevada
- 457 Reno Area, Nevada
- 458 Central and Northern Esmeralda County and Southeastern Mineral County, Neva
- 459 Inyo and White Mountains, California
- 460 Milligan-wood River-copper Basin Allochthons Central Idaho
- 461 Mountain City, Nevada to Twin Falls, Idaho
- 462 Elko Area, Nevada
- 463 Eureka Area, Nevada
- 464 Death Valley, California
- 465 Ely Area, Nevada
- 466 Pioche Area, Nevada
- 467 Northwest Las Vegas, Basin Area, Sheep, Las Vegas, and Arrow Canyon
- 468 Las Vegas Shelf Area, Nevada (Frenchman, Muddy, Mormon, and Virgin Mtns)
- 469 Albion Range, Idaho - Raft River Range, Utah
- 470 Lakeside, Grassy, Newfoundland, Terrace, and Hogup Ranges, Utah
- 471 Deep Creek Mountains, Utah
- 472 Needle and Northern Wah Wah Ranges, Utah
- 473 Star Range and Mineral Mountains, Utah
- 474 Confusion and House Ranges, Utah
- 475 Fish Springs, Thomas, Keg, and Drum Mountains, Utah
- 476 Pocatello - Preston Area, Southeastern Idaho
- 477 Northern Wasatch Allochthon, Utah
- 478 East Tintic Mountains, Utah
- 479 Canyon and Pavant Ranges, Utah
- 480 Oquirrh Mountains, Utah
- 481 Central Wasatch Autochthon, Utah
- 482 Southern Wasatch Allochthon, Utah
- 483 Marysvale Area, Utah
- 484 Southwestern Utah
- 485 Uinta Mountains, Utah
- 1676 Death Valley, California in process
- 1677 Uinta Mountains, Utah in process
- 1678 Central and Northern Esmeralda County and Southeastern Mineral County, Neva in process
- 1679 Inyo and White Mountains, California in process
- 1680 Pocatello - Preston Area, Southeastern Idaho in process
- 1681 Milligan-wood River-copper Basin Allochthons Central Idaho in process
Gulf Coast
- 516 Maverick Basin
- 517 South Texas
- 518 Southeast Texas
- 519 San Marcos Arch
- 520 East Basin Texas (east)
- 521 East Texas Basin (east)
- 522 Sabine Uplift Northwest Louisiana East Texas
- 523 North Louisiana Syncline Northwest Louisiana Southwest Arkansas
- 524 Monroe Uplift Northeast Louisiana Southeast Arkansas West Central Mississip
- 525 Toledo Bend Flexure Central Louisiana
- 526 Gulf Coast Basin South Louisiana
- 527 Central Mississippi Uplift and Southern Flank Newton County, Mississippi
- 528 Mississippi Salt Basin Wayne County, Mississippi
- 529 Wiggins Arch Jackson County, Mississippi
- 530 Composite Outcrop Section, Southwest Alabama
- 531 Mobile County Alabama
- 532 Mobile Bay Alabama
- 533 Covington County Alabama
- 534 Barbour County Alabama
- 535 Houston County Alabama
- 536 Western Coastal Plain, Georgia
- 537 Gulf Trough
- 538 Southwestern Georgia Coastal Plain and Eastern Panhandle of Florida
- 539 Southeastern Georgia Coastal Plain and Northeastern Florida
- 540 Altamaha River Area
- 541 Lower Savannah River Area
- 542 Upper Coastal Plain, Central Georgia
- 543 Western Panhandle of Florida
- 544 Central Panhandle of Florida
- 545 Central Peninsular Florida
- 546 Southern Florida
Midwestern Basins and Arches
- 31 Eastern Wisconsin
- 427 Northern Peninsula - NW Michigan
- 428 Southern Peninsula - N. Michigan
- 429 Southern Peninsula - Central Michigan
- 430 Southern Peninsula - Sw Michigan
- 431 Southern Peninsula - S.E. Michigan
- 432 Northern Arches to Illinois Basin - Northern and Western Illinois
- 433 Illinois Basin - Southwestern Illinois
- 434 Illinois Basin - Southeastern Illinois
- 435 Illinois Basin - Eastern Illinois
- 436 Illinois Basin - Southwestern Indiana
- 437 Illinois Basin - West-central to South-central Indiana
- 438 Cincinnati and Kankakee Arches - Southeastern Indiana
- 439 Cincinnati and Kankakee Arches - Northwestern to East-central Indiana
- 440 Michigan Basin-findlay Arch - Northern Indiana
- 441 Michigan Basin-finlay Arch - Northwestern Ohio
- 442 Cincinnati Arch - Central-western Ohio
- 443 Cincinnati Arch - Southwestern Ohio
- 444 Illinois Basin-western Kentucky - North of Rough Creek Fault
- 445 Illinois Basin-western Kentucky - South of Rough Creek Fault
- 446 Illinois Basin-western Kentucky - South of Pennyrile Fault
- 447 Cumberland Saddle - South Central Kentucky
- 448 Jessamine Dome-cincinnati Arch West Flank - West Central Kentucky
- 449 Jessamine Dome-cincinnati Arch Central - Central Kentucky
- 450 Jessamine Dome-cincinnati Arch East Flank - East Central Kentucky
- 451 Nashville Dome Area - West Central Kentucky
- 452 Nashville Dome Area - Central Tennessee
- 453 Nashville Dome Area - East Central Tennessee
- 454 Nashville Dome Area - Northwestern Alabama
Midcontinent
- 33 Sioux/Lyons Counties, Iowa
- 79 Plymouth/Cheeroke Counties, Iowa
- 80 Webster County, Iowa
- 81 Butler County, Iowa
- 82 Linn/Benton Counties, Iowa
- 83 Des Moines County, Iowa
- 84 Sheridan County, Nebraska
- 85 Rock County, Nebraska
- 86 Stanton County, Nebraska
- 87 Sarpy County, Nebraska
- 88 Harrison/Pottawattomie Counties, Iowa
- 89 Dallas/Madison Counties, Iowa
- 90 Appanoose County, Iowa
- 91 Marion County, Missouri
- 92 Redwillow County, Nebraska
- 93 Ellis/trego Counties, Kansas
- 99 Mitchell County, Kansas
- 100 Pottawotomie County, Kansas
- 101 Jackson County, Kansas
- 102 Pawnee County, Nebraska
- 103 Atchinson County, Missouri
- 104 Boone County, Missouri
- 105 Perry County, Missouri
- 106 Stafford County, Kansas
- 107 Kingman County, Kansas
- 108 Butler County, Kansas
- 109 Vernon County, Missouri
- 110 Barry County, Missouri
Northern Alaska
- 36 Barrow - Drew Point
- 94 Colville Delta
- 95 West Sak
- 96 Prudhoe
- 97 Canning River Delta
- 98 Northern Arctic National Wildlife Refuge
- 149 Northwestern Foothills and Arctic Slope Subsurface
- 150 Northeastern Foothills and Phillip Smith Mountains Quadrangle
- 151 North Central Foothills and Subsurface
- 152 Romanzof - British Mountains
- 153 Nuka Ridge Allochthon
- 154 Ipnavik Allochthon
- 155 Kelly River Allochthon
- 210 Picnic Creek Allochthon
- 211 Western Endicott Allochthon
- 212 Ekokpuk Syncline
- 213 Savioyuk Syncline
- 271 Eastern Endicott Mountains Allochthon
- 272 Mount Doonerak
- 273 Hub Mountain
- 274 Southern Wiseman Quadrangle
- 288 Survey Pass Composite
- 393 Seward Peninsula
- 394 Porcupine River
- 395 West Charley River
- 396 East Charley River
- 397 Yukon River Ot White Mountain
- 398 White Mountain to Chena River
- 399 Chena River to Shaw Creek Fault
- 400 Shaw Creek Fault to Yukon Border
Northern Appalachians
- 32 Southern Coal Basin, West Virginia
- 39 Basin Center, West Virginia
- 40 Southeast Valley & Ridge, West Virginia
- 41 Highland to Craig County, Virginia
- 42 Rockbridge & Botetourt Counties, Virginia - West of Pulaski Fault
- 43 Rockingham & Augusta Counties, Virginia - West of North Mtn Fault
- 44 Southeastern Ohio
- 45 Dunkard Basin, West Virginia
- 46 High Plateau, West Virginia
- 47 Northeast Valley & Ridge, West Virginia
- 56 Northeast Valley & Ridge, Virginia - West of North Mtn Fault
- 156 Garrett County, Maryland
- 296 Allegany County, Maryland
- 297 Washington County, Maryland
- 298 North-central Ohio
- 299 East-central Ohio
- 300 Southwestern Pennsylvania
- 301 South-central Pennsylvania
- 302 Southeastern Pennsylvania
- 303 Northeastern Ohio
- 304 Northwest Pennsylvania
- 305 North-central Pennsylvania
- 306 Northeast Pennsylvania
- 307 Eastern Pennsylvania
- 308 Northwestern New Jersey
- 309 Green Pond Mountain Region, New Jersey
- 310 Western New York
- 311 West-central New York
- 312 East-central New York
- 313 Eastern New York
- 314 Southeastern New York
- 808 Rockbridge & Botetourt Counties, Virginia - East of Pulaski Fault
- 809 Rockingham & Augusta Counties, Virginia - East of North Mtn Fault
- 810 Northeast Valley & Ridge, Virginia - East of North Mtn Fault
Northern California
- 232 Centerville Beach
- 233 Scotia Bluffs
- 234 East of Mccloud River
- 235 West of Mccloud River
- 236 Yreka
- 237 Central Metamorphic Belt
- 238 North Fork
- 239 Hayfork
- 240 Rattlesnake
- 241 Kalmiopsis
- 242 Berkeley Hills
- 243 Western Contra Costa County
- 244 Merced River
- 245 Tuolumne River
- 246 Mokelumne River to Placerville Area
- 247 Sonora Area
- 248 Bowman Lake
- 249 Taylorsville
- 250 Taylorsville East
- 251 Mount Diablo North Fork
- 252 Mount Diablo South Flank
- 253 Suisun Bay
- 254 Montezuma
- 255 Tracy
- 256 San Joaquin East
- 257 Clarksburg
- 258 Ord Bend
- 259 Northwest
- 260 Putah Creek
Northeast United States
- 315 Adirondack Mountains and Champlain Valley
- 369 Western Vermont
- 370 Taconic Mountains Autochthonous Strata
- 371 Lower Hudson Valley
- 372 Western Massachusetts West Side - Berkshire Anticlinorium
- 373 Northwestern Vermont
- 374 Southwestern Connecticut
- 375 Central Connecticut
- 376 West Limb - Connecticut Valley Synclinorium West Central Massachusetts
- 377 Central Vermont
- 378 Northwestern New Hampshire
- 379 Bronson Hill Anticlinorium, Massachusetts
- 380 Western New Hampshire
- 381 West - Central Maine
- 382 North - Central Maine
- 383 Northeastern Maine
- 384 South - Central New Hampshire
- 385 Southern Maine
- 386 South - Central Maine
- 387 Southeastern Connecticut
- 388 Merrimack Synclinorium - Milford Anticline East Central Massachusetts
- 389 Eastern Maine
- 390 Rhode Island
- 391 Boston Area
- 392 East - Central Maine
Northern Mid-Continent
- 172 Jackson County (formerly Washabaugh County), South Dakota
- 173 Brule County, South Dakota
- 174 Brown County, South Dakota
- 175 Kittson County, Minnesota
- 176 Union County, South Dakota
- 177 Minnehaha County, South Dakota
- 178 Minnesota River Valley, Big Stone to Nicollet Counties, Minnesota
- 179 Stearns County, Minnesota
- 180 Crow Wing County, Minnesota
- 181 Rainy Lake District, Koochiching County, Minnesota
- 182 West Vermillion District, St. Louis - Lake Counties, Minnesota
- 183 Cook County, Minnesota
- 184 Pine - Carlton Counties, Minnesota
- 185 Freeborn County, Minnesota
- 186 Grant County, Wisconsin
- 187 Baraboo District, Sauk County, Wisconsin
- 188 Fond Du Lac County, Wisconsin
- 189 Wausau-wisconsin Rapids Area, Marathon-Wood Counties, Wisconsin
- 190 Flambeau and Rusk Counties, Wisconsin
- 191 Davis Hill Area Bayfield County, Wisconsin
- 192 Gogebic Range, Gogebic County, Michigan
- 193 Watersmeet Area, Gogebic County, Michigan
- 194 Amasa Oval, Iron County, Michigan
- 195 Marquette District, Marquette County, Michigan
- 196 Central Dickinson County, Michigan
- 197 Mountain-amberg Area, Oconto-marinette Counties, Wisconsin
Northern Rockies
- 324 Boulder Mountains Wood River and Central Pioneer Mountains, Central Idaho
- 325 White Knob Mountains, Lost River and Lemhi Range, Central Idaho
- 326 Pend Oreille Lake Boundary County, Idaho Pandandle
- 327 St. Joe - St. Maries River, Idaho Pandandle
- 328 Libby - Thompson Falls Area, Northwestern Montana
- 329 Glacier National Park Area, Northwestern Montana
- 330 Southern Disturbed Belt, Northwestern Montana
- 331 Missoula (pe, Te, Q Only), Drummond - Helena Area, Central Western Montana
- 332 Butte - Bozeman and South, Southwestern Montana
- 333 West Flank Sweetgrass Arch and Disturbed Belt, Northwest Montana
- 334 East Flank Sweetgrass Arch and Disturbed Belt, Northwest Montana
- 335 Central Montana Uplift
- 336 Blaine-valley Northwest Basin
- 337 Garfield County North Basin
- 338 Roosevelt County West Basin
- 339 Cedar Creek Anticline Southwest Basin
- 340 Billings County Central Basin
- 341 Williams County Nesson Anticline
- 342 Burleigh County East Basin
- 343 Bottineau County Northeast Basin
- 344 Cavalier County Northeast Edge
- 345 Dickey County Southeast Edge
- 346 Adams and Harding Counties, Southwest Basin
- 347 Pennington County Northern Black Hills
- 348 Dewey County East Basin (south)
Northwest
- 261 Roseburg Area
- 262 Cape Blanco Area
- 263 Coos Bay Area
- 264 Reedsport (subsurface)
- 265 Eugene Area
- 266 Central Coastal Range
- 267 Mcminnville Sheridan Area
- 268 Oregon City, Molalla Area
- 269 Astoria Area
- 270 Columbia County Area
- 275 South Flank Willapa Hills
- 276 Grays Harbor Basin
- 277 Centralia - Chehalis Area
- 278 Western Olympic Peninsula
- 279 Northwest Olympic Peninsula
- 280 Northeast Olympic Peninsula
- 281 Bremerton Area
- 282 Seattle Area
- 283 Carbon River Area
- 284 Bellingham Area
- 285 Pasco - Yakima - Ellensburg Area, Washington
- 286 Columbia River - the Dalles Area, Oregon-washington
- 287 Bend - Madras - Ochoco Mountains, Oregon
- 289 Lakeview - Fort Rock - Klamath Falls, Oregon
- 290 John Day - Suplee, Central Oregon
- 291 Harney Basin to Steens Mountains, South-Central Oregon
- 292 Pullman, Wa. to Snake River Gorge, Wa. Or Id.
- 293 Baker County and Wallowa Mountains, Oregon
- 294 Juntura - Vale - Owyhee Dam, Oregon
- 295 Boise Basin, Idaho
Piedmont-Blue Ridge
- 349 Talladega Slate Belt, Alabama
- 350 Northern Georgia Piedmont
- 351 Georgia Blue Ridge
- 352 Great Smoky Mountains South of and Above Greenbriar Fault
- 353 Great Smoky Mountains, North of and Below Greenbriar Fault
- 354 Grandfather Mountain Window, North Carolina
- 355 Blue Ridge Thrust Sheet North and West of Grandfather Mountain Window, Nort
- 356 Blue Ridge Anticlinorium, Virginia-maryland
- 357 Western Maryland Piedmont and Frederick Valley
- 358 York - Lancaster Valley and Mine Ridge Area, Pennsylvania
- 359 Delaware Valley - Pennsylvania - New Jersey
- 360 Pine Mountain Window, Alabama - Georgia
- 361 Southern Alabama Piedmont
- 362 Middle, Georgia Piedmont
- 363 Atlanta Area, Georgia
- 364 Central and Western South Carolina Slate Belt
- 365 North Carolina Slate Belt
- 366 Piedmont and Eastern Blue Ridge, Central and Southern Virginia
- 367 Northern and Central Virginia Piedmont
- 368 Eastern Maryland Piedmont
Southern Alaska
- 316 Yukon-Koyukuk Basin
- 317 Northern Kuskokwim Mountains
- 318 Southwest Alaska Range, Farewell Area
- 319 North Central Alaska, Range Healy Area
- 320 Northeast Alaska Range, North of Denali Fault Mount Hayes Quadrangle
- 321 West Central Alaska Range, McKinley Area
- 322 Kanektok River
- 323 Tikchik Lakes
- 401 Togiak
- 402 Alaska Peninsula, False Pass to Chignik
- 403 Alaska Peninsula, Chignik to Wide Bay
- 404 Alaska Peninsula, Wide Bay to Cape Douglas
- 405 Cook Inlet
- 406 Talkeetna Mountains
- 407 Copper River
- 408 Central Alaska Range South of Denali Fault, Wrangallia Terrane
- 409 Central Alaska Range South of Denali Fault, Maclaren Terrane
- 410 Northern Wrangell Mountains, Nebesna Quadrangle
- 411 Southern Wrangell Mountains, Mccarthy Quadrangle
- 412 Chugach Mountains, North of Border Ranges Fault
- 413 Chugach Mountains South of Border Ranges Fault
- 414 Kodiak Island
- 415 Prince William Sound and Middleton Island
- 416 Katalla District
- 417 Kayak Island
- 418 Yakataga District
- 419 Malaspina District
- 420 Yakutat District
- 421 Lituya District
- 422 Glacier Bay - Chilkat Ridge, Southeast Alaska
- 423 Northeastern Chilkat Range, Southeast Alaska
- 424 Kuiu - Kupreanof Island, Southeast Alaska
- 425 West-central Prince of Wales Island Craig Area, Southeast Alaska
- 426 Southern Prince of Wales Island Hydaburg Area Southeast Alaska
Southern Appalachians
- 2 Madison Co, Alabama
- 3 Jackson County, Alabama
- 4 Blount County, Alabama
- 5 Dekalb & Western Etowah Counties, Alabama
- 6 Western Valley & Ridge, Northern Segment, Alabama
- 7 Eastern Valley and Ridge, Northern Segment, Alabama
- 8 Western Valley & Ridge, Southern Segment, Alabama
- 9 Eastern Valley & Ridge, Southern Segment, Alabama
- 10 Northwestern Valley & Ridge & Plateau, Georgia
- 11 Southeastern Valley & Ridge, Georgia
- 12 Cumberland Plateau & Adjacent Areas, Tennessee
- 13 Pine Mountain Overthrust & Adjacent Areas, Tennessee
- 14 Northern Unaka Mountains & Adjacent Valley & Ridge, Tennessee
- 15 Southern Unaka Mountains and Adjacent Valley & Ridge, Tennessee
- 16 Valley & Ridge, Tennessee
- 17 South-central, Ohio
- 18 Northeastern Kentucky
- 19 Eastern Kentucky
- 20 Southeastern Kentucky: North of Pine Mtn
- 21 Lee County, Virginia
- 23 Appalachian Plateau, Virginia
- 25 Scott and Russell Counties, Virginia
- 27 Washington & Smyth Counties, Virginia: West of Pulaski Fault
- 28 Western Anticline Belt (southern half), Virginia
- 37 Wythe and Pulaski Counties, Virginia: West of Pulaski Fault
- 38 Montgomery and Roanoke Counties, Virginia: West of Pulaski Fault
- 811 Southeastern Kentucky: South of Pine Mtn
- 812 Washington & Smyth Counties, Virginia: East of Pulaski Fault
- 813 Wythe and Pulaski Counties, Virginia: East of Pulaski Fault
- 814 Montgomery and Roanoke Counties, Virginia: East of Pulaski Fault
Southern California
- 198 Cuyama Valley
- 199 Santa Maria
- 200 Central Santa Ynez Mountains
- 201 Fillmore
- 202 Oxnard
- 203 Ridge Basin
- 204 Soledad Basin
- 205 San Fernando - Santa Susana Mountains
- 206 Central Santa Monica Mountains
- 207 Palos Verdes Hills
- 208 Northern Santa Ana Mountains
- 209 Southern Santa Ana Mountains
- 214 Northern San Diego Embayment
- 215 Central San Diego Embayment
- 216 Southern San Diego Embayment
- 217 Peninsular Range
- 218 Cortez/tanner Banks
- 219 Corona
- 220 Elsinor/temecula
- 221 San Jacinto/Santa Rosa Mountains
- 222 Mecca Hills/Orocopia Mountains
- 223 Eagle/Pinto Mountains
- 224 Cajon Pass
- 225 Big Bear
- 226 Victorville
- 227 Kramer
- 228 Barstow
- 229 Hector
- 230 Old Dad Mountains
- 231 Mescal Range-Providence Mountains
- 825 Salton Trough, Split Mountain
Southwest Mid-Continent
- 35 Plomosa and Dome Rock Mountains Area
- 48 Southern Papago Reservation
- 49 Sonoita Area
- 50 Big Hatchet Mountain Area
- 51 Verde Valley
- 52 Lone Mountain Area
- 53 Black Range
- 54 Franklin Mountain Cristo Rey Area
- 55 Organ Mountain Southern San Andres Mountain
- 57 Sierra Diablo
- 58 Marathon - Big Bend Region
- 59 Glass Mountain Marathon Region
- 60 Quemado Fence Lake Area
- 61 Puetecito-landron Mountain Area
- 62 Carthage-Joyita Hill Area
- 63 Northern San Andres Mountains
- 64 Sacramento Mountains
- 65 Carlsbad and Northern Shelf
- 66 Delaware Basin
- 67 Central Basin Platform
- 68 Midland Basin
- 69 Eastern Shelf
- 70 Northwest Shelf
- 71 Western Palo Duro Basin
- 72 Eastern Palo Duro Basin
- 73 Amarillo Arch
- 74 Western Oklahoma
- 75 Texas Panhandle
- 76 Hugoton Embayment-kansas
- 77 Las Animas Arch-colorado
- 78 Las Animas Arch-kansas
Texas-Oklahoma Tectonic Region
- 22 Northern Part Chautauqua Platform
- 24 Southern Part Chautauqua Platform
- 26 Lehigh Basin Portion of Arkoma Basin
- 148 Mcalester Basin Portion of Arkoma Basin
- 157 Arkansas Basin Portion of Arkoma Basin
- 158 Central Southern Oklahoma and Southwestern Oklahoma, Southern Oklahoma Fold
- 159 Cooke and Grayson Counties, Texas, Southern Oklahoma Folded Belt
- 160 Bend Arch
- 161 Fort Worth Basin
- 162 Strawn Basin
- 163 Llano Uplift
- 164 Kerr Basin
- 165 Arkansas and Louisiana Portion of Ouachita Tectonic Belt
- 166 Oklahoma Portion of Ouachita Tectonic Belt
- 167 Waco Uplift Portion of Ouachita Tectonic Belt
- 168 Devils River Uplift Portion of Ouachita Tectonic Belt
- 169 Black Warrior Basin Prentiss County, Mississippi
- 170 Black Warrior Basin Oktibbeha County, Mississippi
- 171 Black Warrior Basin Cullman County, Alabama
- 801 Supplemental Upper Mississippi embayment
- 802 Supplemental Middle Mississippi embayment
Canadian Shield
- 748 Yellowknife
- 749 Tumi Lake
- 750 Baler, Indin Lakes
- 751 Arseno, Mesa, Grant Lakes
- 752 Port Radium to Artic Coast
- 753 Point Lake to Coppermine
- 754 Contwoyto Lake to Kent Peninsula
- 755 Victoria Island
- 756 East Arm Great Slave Lake
- 757 Thelon River, Baker Lake
- 758 Back River, Chantrey Inlet
- 759 Boothia Peninsula
- 760 Wager Bay
- 761 Henik Lake
- 762 Snowbird Lake
- 763 Nonacho Great Slave Lake
- 764 Uranium City
- 765 Amisk, Wildnest Lakes
- 766 Flin-Flon
- 767 Lynn Lake, Granville Lake
- 768 Thompson, Moak Lake
- 769 Cape Smith, Wakham Bay
- 770 Schefferville
- 771 Richmond Gulf
- 772 Belcher Islands
- 773 Southern Baffin Island
- 774 Northern Baffin Island
- 775 Cross, Gods Lakes
- 776 Island Lake
- 777 Rice Lake-Lac Du Bonnet
- 778 Birch, Uchi Lakes
- 779 Lake of the Woods
- 780 Rainy River
- 781 Rainy River, EMO
- 782 Steep Rock
- 783 Port Arthur
- 784 Kapuskasing
- 785 Porcupine
- 786 Kirkland
- 787 Noranda
- 788 Malartic
- 789 Chibougamau
- 790 Fort George, Eastmain Rivers
- 791 Sudbury
- 792 Espanola
- 793 Elliot Lake
- 794 Bruce Mines
- 795 Eastern Ontario
- 796 South Eastern Quebec
- 797 Wabush, Mt. Wright
- 798 Wakeham Lake
- 799 Seal Lake
- 800 Northern Labrador
Southeastern Canada
- 576 Southern Hudson Bay
- 577 Northern Hudson Bay
- 578 James bay obsolete
- 579 Lake Timiskaming obsolete
- 580 Paleozoic Outliers: Clearwater Lake
- 581 Manitoulin Island obsolete
- 582 Bruce Peninsula
- 583 Windsor and Sarnia obsolete
- 584 Wellington, Grey and Oxford Counties obsolete
- 585 Niagara Peninsula Eastern Lake Erie obsolete
- 586 Grand Banks
- 587 Grand Banks
- 588 Northern Avalon Peninsula
- 589 Bonavista Bay
- 590 Ottawa obsolete
- 591 Montreal obsolete
- 592 Sutton Mountians
- 593 Memphremagog Lake
- 594 Sherbrooke
- 595 Trois Rivierres- Portneuf obsolete
- 596 Quebec City Southeast obsolete
- 597 Montmagny-Thetford Mines
- 598 Lake Aylmer-Gould
- 599 Stoney Lake, Newfoundland
- 600 Springdale, Newfoundland
- 601 Burlington Peninsula
- 602 West Side White Bay
- 603 Canada Bay - Coastal Lowlands
- 604 Hare Bay - Long Range Mtns
- 605 Hawke Bay Port Au Choix
- 606 St. Marys Bay
- 607 southwestern Burin Peninsula
- 608 Lake St. John
- 609 Temiscouata
- 610 Lake Matapedia
- 611 Woodstock
- 612 Lake Megantic
- 613 Northeastern Fortune Bay
- 614 Belle Bay
- 615 La Poile Bay-Bay DEspoir
- 616 Flat Bay
- 617 western Port Au Port Peninsula obsolete
- 618 Humber Arm
- 619 Bonne Bay
- 620 Southeastern Cape Breton Island
- 621 Central and Northeastern Cape Breton Island
- 622 Western Cape Breton Island
- 623 Merigomish Antigonish
- 624 Merigomish Antigonish
- 625 Hayesville
- 626 St. Andrews-Plesant Mt.
- 627 Eastern Cobequid MTNS.
- 628 Northern Cobequid MTNS.
- 629 Chignecto Bay
- 630 Lower Saint John River
- 631 Western Novia Scotia
- 632 Southern Nova Scotia, Scotian Shelf
- 633 Anticosti and Mingan Islands obsolete
- 634 Forillon Peninsula
- 635 Mt. Albert
- 636 East and Central Gaspe
- 637 Moncton, N.B. Price Edward Island
- 638 Sussex-Petitcodiac
- 639 Central and East New Brunswick
- 640 Bay of Chaleur, Northern New Brunswick
- 641 Southern Gaspe
- 803 Paleozoic Outliers: Lake Manicouagan
- 804 Paleozoic Outliers: Gilmour Lake
- 805 Paleozoic Outliers: Clear Lake
- 806 Paleozoic Outliers: Mattawa
- 807 Paleozoic Outliers: Lake Nipissing
- 815 eastern Port Au Port Peninsula
- 816 Pistolete Bay - Coastal Lowlands
- 817 Canada Bay - Long Range Mtns
- 818 Botwood, Newfoundland
- 819 Gander Lake, Newfoundland
- 820 Daniels Bay
Western Canada
- 642 Tintina Tombstone obsolete
- 643 Keele Range obsolete
- 644 Eagle Plain obsolete
- 645 Wernecke Mtns. Southern obsolete
- 646 Wernecke Mtns. Northern obsolete
- 647 Snake River, Cranswick R. obsolete
- 648 Richardson Mtns. Southern obsolete
- 649 Richardson Mtns. Northern obsolete
- 650 White Mtns. obsolete
- 651 Old Crow Mountains obsolete
- 652 Artic Coastal Plain obsolete
- 654 Kaskawulsh River, Kluane Lake, Shakwak Valley obsolete
- 657 Whitehorse, Carmacks obsolete
- 661 Pelly Mountains obsolete
- 662 Wilkinson Range, Anvil Range obsolete
- 663 Logan Mountains obsolete
- 664 Flat River, Grizzly Bear Lake obsolete
- 665 Redstone Plateau, Thundercloud Range obsolete
- 666 Whittaker Range, Redstone River obsolete
- 667 McConnell Range obsolete
- 668 Norman Wells obsolete
- 669 Anderson R., Hornaday R. obsolete
- 670 Tulsequah River, Stikine River obsolete
- 671 Inklin River, Teslin River obsolete
- 672 Turnagain R., Spatsizi Plateau obsolete
- 673 Wolf Lake, Stikine Range obsolete
- 674 Kechika Range, Dease Plateau obsolete
- 675 Liard River, Alaska Highway obsolete
- 680 Lower Flat River, Beaver River obsolete
- 681 La biche River, Nahanni Plateau obsolete
- 682 Kotaneelee, Liard, Nahanni Ranges obsolete
- 683 Fort Liard, Fort Nelson obsolete
- 684 Hay River, Pine Point, Fort Smith obsolete
- 685 Horn River, Great Slave Lake obsolete
- 686 Queen Charlotte Islands obsolete
- 687 Prince Rupert obsolete
- 688 Terrace Lake, Whitesail Lake, Hazelton obsolete
- 689 Nechako River, Topley obsolete
- 690 Fort St. James, McConnell Cr., Alken Lake obsolete
- 717 Pine River, Peace River, Prophet River obsolete
- 718 Fort St. John, Peace River obsolete
- 719 Northeast Alberta obsolete
- 720 Quatsino, Suquash obsolete
- 721 Bella Coola obsolete
- 722 Taseko Lake obsolete
- 723 Prince George, Quesnel obsolete
- 724 Isaac Lake obsolete
- 725 Mt. Robson, Jasper, Nordegg obsolete
- 726 Edmonton obsolete
- 727 Lloydminster obsolete
- 728 Clayoquot, Sooke obsolete
- 729 Buttle Lake, Comox, Quadra Island obsolete
- 730 Nanaimo, Cowichan Lake obsolete
- 731 Vancouver obsolete
- 732 Chilliwack, Harrison Lake obsolete
- 733 Lilooet, BC obsolete
- 734 Princeton, BC obsolete
- 735 Headwaters of Kettle River obsolete
- 736 Nelson obsolete
- 737 Lardeau obsolete
- 738 North Monashee Mtns obsolete
- 739 Windermere, Cranbrook obsolete
- 740 Clarke Range, Flathead Valley, Galton Range obsolete
- 741 Stanford Range, Hughes Range obsolete
- 742 Mt. Goodsir, Mt. Joffre obsolete
- 743 Banff, Crownsnest Pass obsolete
- 744 Southern Alberta obsolete
- 745 Southern Saskatchewan obsolete
- 746 Southern Manitoba obsolete
- 821 Coquihalia River, northeast of Hope, BC obsolete
- 822 Ashcroft, BC obsolete
- 823 Shuswap Lake obsolete
- 824 Glacier National Park, BC obsolete
Arctic Archipelago
- 653 Banks Island North obsolete
- 655 Banks Island South obsolete
- 656 Victoria and Stefansson Islands obsolete
- 658 Prince of Wales Island obsolete
- 659 Somerset Island obsolete
- 660 Baffin Island Northwest obsolete
- 676 Foxe Basin obsolete
- 677 Prince Patrick Island obsolete
- 678 Eglinton Island obsolete
- 679 Melville Island West obsolete
- 691 Melville Island South obsolete
- 692 Melville Island East obsolete
- 693 Bathurst Island Central obsolete
- 694 Barhurst Island East obsolete
- 695 Cornwallis Island North obsolete
- 696 Cornwallis Island South obsolete
- 697 Cornwall and Table Is. Grinnell Pen. obsolete
- 698 Devon Island obsolete
- 699 Brock, Borden and Mackenzie King Islands obsolete
- 700 Ellef and Amund Ringnes Is. obsolete
- 701 Axel Heiberg Island Southwest obsolete
- 702 Axel Heiberg Island Southeast obsolete
- 703 W. Foshiem and Raanes Pen. obsolete
- 704 Trold Fiord obsolete
- 705 Bjorne Pen. To Goose Fd. obsolete
- 706 Axel Heiberg Island North obsolete
- 707 Blaa Mountian and Hare Fiord obsolete
- 708 Central Canon Fiord obsolete
- 709 NW. Canon Fijord obsolete
- 710 Tanquary Fijord obsolete
- 711 Hazen Plateau obsolete
- 712 Ella Bay obsolete
- 713 Scoresby Bay obsolete
- 714 Bache Peninsula obsolete
- 715 North Coast Ellesmere Island West obsolete
- 716 North Coast Ellesmere Island East obsolete
Mexico
Canadian Cordillera I
- 1436 St. Elias Mountains, Icefield, Alsek Ranges
- 1437 St. Elias Mountains, Kluane Ranges
- 1438 Queen Charlotte Islands
- 1439 N. Vancouver Island and Continental Shelf
- 1440 W. and SW Vancouver Island and Tofino Basin
- 1441 Central and Southeast Vancouver Island
- 1442 St. Elias Mountains, Icefield and Alsek Ranges
- 1443 Coast Mountains, 54-55 degrees N West of Work Channel
- 1444 Pemberton Bute
- 1445 Hope (W), N. of Fraser R.
- 1446 Chilliwack Valley
- 1447 Homathko River
- 1448 Chilko Lake
- 1449 Tyaughton Creek
- 1450 Bridge River
- 1451 Manning Park
- 1452 Aishihik Lake
- 1453 N. Carmacks
- 1454 Laberge
- 1455 Taku River
- 1456 Stikine River
- 1457 Cold Fish
- 1458 Hazelton
- 1459 Coast Mountains, 54-55 degrees N East of Work Channel
- 1460 Whitesail Lake
- 1461 Smithers Terrace
- 1462 Fraser
- 1463 Nakina Lake
- 1500 Coast Mountains
Canadian Cordillera II
- 1464 Dease Lake
- 1465 Cache Creek
- 1466 Jennings River
- 1467 Fort St. James
- 1468 Prince George
- 1469 Kamloops Nicola
- 1470 South Okanagan
- 1471 Nelson (W), S. Kootenay Arc
- 1472 Nelson (E) Lardeau, Central Kootenay Arc
- 1473 Old Crow Basin
- 1474 Mackenzie Bay
- 1475 Tombstone
- 1476 Hess Mountains
- 1477 Anvil Range
- 1478 Campbell Range
- 1479 Central Watson Lake
- 1480 Logan Mountains
- 1481 Broken Skull River
Canadian Cordillera III
- 1482 Redstone River
- 1483 Cap Mountain
- 1484 Big Salmon Range
- 1485 Lapie River
- 1486 McDame
- 1487 Kechika Ranges East of Kechika Fault
- 1488 Russel Ranges
- 1489 Toad River
- 1490 Tuchodi Lakes, Trutch Ware
- 1491 Western Muskwa Ranges
- 1492 Adams Lake
- 1493 Cariboo Lake
- 1494 Cariboo Lake
- 1495 Kickinghorse River
- 1496 Seymour Arm Golden
- 1497 Turner Valley
- 1498 Elko-Fernie
- 1499 Waterton Pincher CK
Canadian Arctic I
- 1501 Banks Island, Northwest
- 1502 Banks Island, central
- 1503 Banks Island, Southeast
- 1504 Victorian and Stefansson Islands
- 1505 Prince of Wales Island, west
- 1506 Prince of Wales Island, east
- 1507 Somerset Island
- 1508 Somerset Island, east
- 1509 Baffin Island, north
- 1510 Bylot Island
- 1511 Foxe Basin, Rowley/Prince Charles Is.
- 1512 Devon Island, central/east
- 1513 Southern Ellesmere Island, southwest
- 1514 Southern Ellesmere Island, Fram Fiord
- 1515 Southern Ellesmere Island, Makinson Inlet
- 1516 Southern Ellesmere Island, Bache Peninsula
- 1517 Prince Patrick Island
- 1518 Eglinton Island
- 1519 Melville Island, northwest
- 1520 Melville Island, central
- 1521 Melville Island, northeast
- 1522 Cameron Island
- 1523 Bathurst Island, west and central
- 1524 Bathurst Island, east
- 1525 Cornwallis Island, north
- 1526 Cornwallis Island, south
- 1527 Devon Island,Grinnel Peninsula
- 1528 Mackenzie King, Brock, Borden Islands
Canadian Arctic II
- 1529 Lougheed Island
- 1530 King Christian, Ellef, Ringnes Islands
- 1531 Ellef Ringnes Island, north
- 1532 Ellef Ringnes Island, southeast
- 1533 Amund Ringnes Island, north and southwest
- 1534 Cornwall Island
- 1535 Graham Island
- 1536 Axel Heiberg Island, south
- 1537 Axel Heiberg Island
- 1538 Axel Heiberg Island, northwest
- 1539 Axel Heiberg Island, east
- 1540 Axel Heiberg Island, north
- 1541 Central Ellesmere Island, Bjorne Pen.
- 1542 Central Ellesmere Island, Svendsen Pen.
- 1543 Central Ellesmere Island, Raanes Pen.
- 1544 Central Ellesmere Island, W. Fosheim Pen.
- 1545 Central Ellesmere Island, E. Fosheim Pen.
- 1546 Central Ellesmere Island, s. Caledonian Bay
- 1547 Central Ellesmere Island, Caledonian Bay
- 1548 Central Ellesmere Island, Copes Bay-Carl Ritter Bay
- 1549 Central Ellesmere Island, sw Judge Daly Promontory
- 1550 Central Ellesmere Island, se Ella Bay
- 1551 Central Ellesmere Island, Ella Bay
- 1552 Central Ellesmere Island, St. Patrick Bay
- 1553 Central Ellesmere Island, Blue Mountains
- 1554 Central Ellesmere Island, west Svartfjeld Pen.
- 1555 Central Ellesmere Island, Van Hauen Pass
- 1556 Central Ellesmere Island, Hare Fiord head
- 1557 Central Ellesmere Island, Ooblooyah Bay
- 1558 Central Ellesmere Island, east of Tanquary Fiord
Canadian Arctic III
- 1559 McKinley Bay
- 1560 Head of Tanquary Fiord
- 1561 Henrietta Nesmith Glacier
- 1562 Lake Hazen
- 1563 Head of Emma Fiord
- 1564 Kleybolte Peninsula
- 1565 south of Phillips Inlet
- 1566 head of Yelverton Inlet
- 1567 Wootton Peninsula to SE of Milne Inlet
- 1568 McLintock Glacier
- 1569 McLintock Inlet
- 1570 Head of McLintock Inlet
- 1571 Head of Disraeli Fiord
- 1572 East of Disraeli Fiord, to Markham Fiord
- 1573 C. Columbia to C. Nares
- 1574 NW of Clements Markham River
- 1575 Cresent Glacier to Clements Markham Inlet
- 1576 Feilden and Parry Peninsulas
- 1577 NW of Piper Pass
- 1578 Inglefield Land
- 1579 Washington Land
- 1580 Petermann Glacier
- 1581 Western North Greenland
- 1582 Southern Peary Land,Independence Fiord
- 1583 Danmark Fiord
- 1584 Western North Greenland
- 1585 Northern Peary Land
Northwest, Yukon Territories
- 1646 Brithis-Barn Mountains, Old Crow Basin
- 1647 Mackenzie Bay
- 1648 White Mountains
- 1649 Northern Richardson Mountains
- 1650 Mackenzie Delta
- 1651 Inuvik
- 1652 Anderson Plain
- 1653 Melville Hills
- 1654 Coppermine Homocline
- 1655 Kandik River
- 1656 Eagle Plain
- 1657 Bonnet Plume Basin
- 1658 Eastern Wernecke Mountains
- 1659 Snake River
- 1660 Arctic Red River
- 1661 Mountain River
- 1662 Norman Wells
- 1663 Fort Norman
- 1664 Western Great Bear Lake
- 1665 Twitya River
- 1666 Sekwi Mountain
- 1667 East Glacier Lake Nahanni
- 1668 Redstone River
- 1669 Cap Mountain
- 1670 Bulmer Lake
- 1671 Great Bear Plain - Lac la Martre
- 1672 Flat River
- 1673 Kotaneelee and Liard Ranges
- 1674 Trout Lake
- 1675 Hay River - Pine Point
Prairie Provinces and British Columbia
- 1616 Gataga River
- 1617 Roosevelt Graben, Mount Churchill
- 1618 Macdonald Platform, Summit Lake
- 1619 Liard and Scatter Rivers
- 1620 Zama Lake
- 1621 Western Rocky Mtns, Ware map area
- 1622 Eastern Rocky Mtns, Halfway map area
- 1623 Peace River Arch/Embayment, Pine Pass
- 1624 Peace River Plains, Fort St. John
- 1625 Hay River Basin, Fort McMurray
- 1626 Front Range, Narraway River
- 1627 Swan Hills
- 1628 Cold Lake
- 1629 Cumberland House
- 1630 Mount Robson Syncline, Mount Robson
- 1631 Jasper, eastern main ranges
- 1632 Roche Miette, west Alberta ridge
- 1633 Brule, eastern Alberta foothills
- 1634 Edmonton
- 1635 Lloydminster
- 1636 Saskatoon
- 1637 Lake Winnipegosis
- 1638 Stanford-Huges Ranges
- 1639 Kickinghorse River
- 1640 Spray River, Connor Lake
- 1641 Exshaw
- 1642 Turner Valley
- 1643 Calgary, Drumheller
- 1644 Moose Jaw, Regina, northern Williston Basin
- 1645 Lake Manitoba
Southern Prairie Prov., Hudson Platform
- 1586 Southampton, Coats, Mansel Islands
- 1587 northern Hudson Bay
- 1588 northern Hudson Bay Lowland
- 1589 central Hudson Bay
- 1590 Central Hudson Bay Lowland
- 1591 north James Bay lowland
- 1592 central James Bay lowland
- 1593 south James Bay lowland
- 1594 Windsor, Sarnia
- 1595 Allegheny Basin
- 1596 Michigan Basin
- 1597 Algonquin Arch
- 1598 Allegheny Basin
- 1599 Lake Timiskaming Outlier
- 1600 Pembroke-Arnprior Outlier Ottawa and St. Lawrence River
- 1601 Montreal
- 1602 St. Hyacinthe
- 1603 Lac St. Jean-Chicoutimi Outlier Quebec City
- 1604 Nicolet-Yamaska
- 1605 N. Shore and Mingan Island Anticosti Island
- 1606 Gulf of St. Lawrence
- 1607 Port au Port Peninsula
- 1608 Southeast Labrador Strait of Belle Isle
- 1609 Canada Bay
- 1610 Brandon
- 1611 Big Muddy, Willow Bunch
- 1612 Maple Creek, Swift Current
- 1613 Sweetgrass Arch
- 1614 Waterton Pincher Creek
- 1615 Fernie Basin: Elko, Fernie