Region
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Fort Belknap Indian Reservation
1
Fort Irwin
1
Fox Mountain (Nye County)
2
Franciscan Complex (Calif.)
1
Fresno County
2
Grand Canyon Region
1
Grand Mesa
1
Grand Mesa (Colo.)
1
Granite Mountains
2
Grant County
2
Great Basin
2
Gulf Coast (U.S.)
2
Gulf Coast Region (U.S.)
1
Gulf States
1
Harney County
2
Hawaii
1
Hector region
1
Honcut Creek Region
2
Hopewell Region
2
Hopi Indian Reservation
2
Horry County
2
Iberian Peninsula
1
Idaho
12
Juab County
1
Kansas
1
Kettleman Hills
1
Lahontan, Lake
1
Las Vegas Valley
1
Los Angeles Basin
1
Los Angeles County
1
Louisiana
1
Lubbock Region
1
Madison Range
1
Martha's Vineyard
2
Maryland
1
Marysvale Region
1
Massachusetts
3
Mead, Lake, Region (Ariz. and Nev.)
1
Mediterranean Region
2
Merced River Valley
2
Mexico
2
Mid-Atlantic Bight
2
Middle Atlantic States
1
Millard County
1
Mississippi
1
Mississippi River Valley
2
Missouri
1
Mojave Desert
3
Montana
9
Monterey County
4
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