Region
Alaska
12
Colorado
9
California
7
Hawaii
5
Mauna Loa (Hawaii Island)
5
Mauna Loa (Hawaii Island, Hawaii)
5
Montana
5
Washington (State)
5
Afghanistan
4
Missouri
4
Yakima River Watershed
4
Yakima River Watershed (Wash.)
4
Great Smoky Mountains National Park (N.C. and Tenn.)
3
Kittitas County
3
Kittitas County (Wash.)
3
Oregon
3
Shannon County
3
Texas
3
Texas County
3
United States
3
Dent County
2
Denver Basin
2
Edwards Aquifer
2
El Paso County
2
Hays County
2
Idaho
2
Nevada
2
New Mexico
2
Oklahoma
2
Park County
2
Trinity Aquifer
2
Utah
2
Wyoming
2
Yosemite National Park
2
Yosemite National Park (Calif.)
2
Anchorage Region
1
Antilles, Greater
1
Arbuckle-Simpson Aquifer
1
Arbuckle-Simpson Aquifer (Okla.)
1
Arizona
1
Bailey Region
1
Bears Paw Mountains
1
Benton County
1
Benton County (Wash.)
1
Big Bend National Park
1
Big Bend National Park (Tex.)
1
Black Range
1
Black Range (N.M.)
1
Blaine County
1
Brazil
1
more ...