Region
Antarctica
6
Byrd Glacier Region (Antarctica)
3
United States
3
Byrd Névé Region (Antarctica)
2
McMurdo Sound (Antarctica)
2
Airdevronsix Icefalls Region (Antarctica)
1
Bird, Mount, Region (Ross Island, Ross Sea, Antarctica)
1
California
1
Chesapeake Bay Watershed
1
Churchill Mountains Region (Antarctica)
1
Colorado
1
Convoy Range (Antarctica)
1
Crozier, Cape, Region (Antarctica)
1
Dais Region (Antarctica)
1
Darwin Glacier (Antarctica)
1
Darwin Mountains (Antarctica)
1
Erebus, Mount (Antarctica)
1
Fryxell, Lake (Antarctica)
1
Gaza Strip
1
McMurdo Station (Antarctica)
1
Mexico
1
Michigan
1
Middle Atlantic States
1
Nicholson Peninsula Region (Antarctica)
1
Rifle River
1
Rifle River (Mich.)
1
Ross Ice Shelf Region (Antarctica)
1
Ross Island (Ross Sea, Antarctica)
1
San Francisco
1
San Francisco (Calif.)
1
Skelton Névé (Antarctica)
1
Skelton Névé Region (Antarctica)
1
Susquehanna River Watershed
1
Turnstile Ridge (Antarctica)
1
Utah
1
Victoria Land (Antarctica)
1
Washington Region
1
Yosemite National Park (Calif.)
1
Yosemite Valley (Calif.)
1