Region
United States
26
Alaska, Southeast
1
California
1
Devils Postpile National Monument
1
Devils Postpile National Monument (Calif.)
1
F.E. Warren Air Force Base
1
F.E. Warren Air Force Base (Wyo.)
1
Great Plains
1
Kings Canyon National Park
1
Kings Canyon National Park (Calif.)
1
Klamath National Forest (Calif. and Or.)
1
Middle Atlantic States
1
Sequoia National Park
1
Sequoia National Park (Calif.)
1
Sierra Nevada (Calif. and Nev.)
1
Wyoming
1
Yosemite National Park
1
Yosemite National Park (Calif.)
1