Subject
Outdoor recreation
Trails
Motor vehicles Recreational use
10
Express highways
8
Forest roads
8
Roads
8
Klamath National Forest (Calif. and Or.)
5
Wilderness areas
5
Land Between the Lakes (Ky. and Tenn.)
4
Off-road vehicle trails
3
Camping
2
Eldorado National Forest (Calif.)
2
Trail bike trails
2
Automobile driving
1
Beaches
1
Boats and boating
1
Camp sites, facilities, etc
1
Chequamegon-Nicolet National Forest (Wis.)
1
Dixie National Forest (Utah)
1
Gila National Forest (N.M.)
1
Green River (Utah)
1
High Uintas Wilderness (Utah)
1
Nantahala National Forest (N.C.)
1
Oregon Dunes National Recreation Area (Or.)
1
Roosevelt National Forest (Colo.)
1