Subject
Trails
Forest roads
9
Motor vehicles Recreational use
9
Outdoor recreation
9
Express highways
8
Roads
8
Klamath National Forest (Calif. and Or.)
5
Wilderness areas
5
Automobile driving
4
Gifford Pinchot National Forest (Wash.)
3
Alpine Loop National Back Country Byway (Colo.)
2
Camping
2
National parks and reserves
2
Off-road vehicle trails
2
Scenic byways
2
Trail bike trails
2
Appalachian Trail
1
Gila National Forest (N.M.)
1
Imperial County (Calif.)
1
Motor vehicles
1
Nantahala National Forest (N.C.)
1
Roosevelt National Forest (Colo.)
1