Region
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Arches National Park (Utah)
1
Audubon National Wildlife Refuge
1
Audubon National Wildlife Refuge (N.D.)
1
Badlands National Park
1
Badlands National Park (S.D.)
1
Bear Trap Canyon (Mont.)
1
Belleau, Bois de (France)
1
Bird-Truax Trail (Idaho and Mont.)
1
Boise (Idaho)
1
Boise National Forest (Idaho)
1
Bombay Hook National Wildlife Refuge
1
Bombay Hook National Wildlife Refuge (Del.)
1
Boston National Historical Park (Boston, Mass.)
1
Bradshaw Mountains (Ariz.)
1
California, Northern
1
Canyonlands National Park
1
Canyonlands National Park (Utah)
1
Cape Cod National Seashore (Mass.)
1
Capitan Formation (N.M. and Tex.)
1
Carson National Forest (N.M.)
1
Castillo de San Marcos National Monument (Saint Augustine, Fla.)
1
Cherokee National Forest
1
Cherokee National Forest (Tenn.)
1
Chesapeake Bay (Md. and Va.)
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
1
Chesapeake and Ohio Canal National Historical Park
1
Chippewa National Forest
1
Chippewa National Forest (Minn.)
1
Cibola National Forest (N.M.)
1
Congaree National Park (S.C.)
1
Congaree Swamp (S.C.)
1
Coram Experimental Forest (Mont.)
1
Craters of the Moon National Monument
1
Craters of the Moon National Monument (Idaho)
1
Curry County
1
Curry County (Or.)
1
Dalton Highway (Alaska)
1
Dalton Highway Region
1
Dalton Highway Region (Alaska)
1
Delaware
1
Dinosaur National Monument (Colo. and Utah)
1
Dixie National Forest
1
Dixie National Forest (Utah)
1
Europe
1
Farallon National Wildlife Refuge (Calif.)
1
Fishlake National Forest (Utah)
1
Florida
1
Fort Pickens (Fla.)
1
France
1
Fredericksburg and Spotsylvania National Military Park (Va.)
1
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