Subject
Outdoor recreation
Trails
Land Between the Lakes (Ky. and Tenn.)
4
Pacific Crest Trail
3
Black Hills National Forest (S.D. and Wyo.)
2
Cross-country skiing
2
Dixie National Forest (Utah)
2
Apache-Sitgreaves National Forest (Ariz.)
1
Beaches
1
Chequamegon National Forest (Wis.)
1
Chequamegon-Nicolet National Forest (Wis.)
1
Cibola National Forest (N.M.)
1
Crooked River National Grassland (Or.)
1
Daniel Boone National Forest (Ky.)
1
Express highways
1
Forest roads
1
Gila National Forest (N.M.)
1
Hickory Ridge Trail (Ind.)
1
High Uintas Wilderness (Utah)
1
Hiking
1
Hoosier National Forest (Ind.)
1
Humboldt National Forest (Nev.)
1
Motor vehicles Recreational use
1
Oregon Dunes National Recreation Area (Or.)
1
Ozark National Forest (Ark.)
1
Payette National Forest (Idaho)
1
Public lands Recreational use
1
Recreation areas
1
Roads
1
Rock Creek Recreation Area (Idaho)
1
Saint Francis National Forest (Ark.)
1
Superstition Wilderness (Ariz.)
1
Toiyabe National Forest (Nev. and Calif.)
1
Wilderness areas
1
Wilderness areas Recreational use
1