Subject
Trails
Outdoor recreation
60
Roads
28
Hiking
18
Motor vehicles Recreational use
16
Blue Ridge Parkway (N.C. and Va.)
14
Forest roads
14
Pacific Crest Trail
13
Express highways
12
Shenandoah National Park (Va.)
12
Chequamegon National Forest (Wis.)
8
Cuyahoga Valley National Park (Ohio)
8
Wilderness areas
7
Public lands Recreational use
6
Camp sites, facilities, etc
5
Humboldt National Forest (Nev.)
5
Klamath National Forest (Calif. and Or.)
5
Off-road vehicle trails
5
Recreation areas
5
Toiyabe National Forest (Nev. and Calif.)
5
Historic sites
4
Automobile driving
3
Cross-country skiing
3
Grand Canyon National Park (Ariz.)
3
National parks and reserves
3
North Country National Scenic Trail
3
Pisgah National Forest (N.C.)
3
Public lands
3
Snowmobiling
3
All terrain vehicle trails
2
All terrain vehicles
2
Automobiles Recreational use
2
Buckeye Trail (Ohio)
2
Camping
2
Cape Perpetua Scenic Area (Or.)
2
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
2
Cibola National Forest (N.M.)
2
Daniel Boone National Forest (Ky.)
2
Dixie National Forest (Utah)
2
Eldorado National Forest (Calif.)
2
Gifford Pinchot National Forest (Wash.)
2
Grand Teton National Park (Wyo.)
2
Horsemanship
2
King Range National Conservation Area (Calif.)
2
Motorcycles
2
Nantahala National Forest (N.C.)
2
National monuments
2
Red River Gorge (Ky.)
2
Rocky Mountain Arsenal National Wildlife Refuge (Colo.)
2
Rocky Mountain National Park (Colo.)
2
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