Region
United States
17
California
3
Utah
3
Arizona
2
Caribou-Targhee National Forest
2
Colorado
2
Durham (N.C.)
2
Europe
2
Florida
2
Hawaii
2
Yellowstone National Park
2
Adirondack Mountains (N.Y.)
1
Alaska
1
California, Southern
1
Californie
1
Concord (Mass.)
1
East (U.S.)
1
Elko
1
Great Smoky Mountains (N.C. and Tenn.)
1
Great Smoky Mountains National Park (N.C. and Tenn.)
1
Hawaii Volcanoes National Park
1
Maine
1
Michigan
1
Mojave National Preserve
1
Mojave National Preserve (Calif.)
1
Nevada
1
New England
1
New Mexico
1
North America
1
Ogden
1
Oregon
1
Pike National Forest (Colo.)
1
Sacramento
1
San Isabel National Forest (Colo.)
1
Shenandoah National Park
1
Virginia
1
Washington (State)
1
West (U.S.)
1