Motor vehicles Recreational use 323 Forest roads 232 Roads 181 Automobile driving 139 Automobiles Recreational use 29 Outdoor recreation 19 Automobile driving Recreational use 18 Mark Twain National Forest (Mo.) 18 Tongass National Forest (Alaska) 17 Trails 15 Pike National Forest (Colo.) 14 Tahoe National Forest (Calif.) 14 Ashley National Forest (Utah and Wyo.) 13 Off-road vehicle trails 12 Bridger National Forest (Wyo.) 11 Express highways 11 Indian reservations 11 Indians of North America 11 Teton National Forest (Wyo.) 11 Boise National Forest (Idaho) 10 Challis National Forest (Idaho) 10 Inyo National Forest (Calif. and Nev.) 10 Salmon National Forest (Idaho) 10 San Isabel National Forest (Colo.) 9 Colville National Forest (Wash.) 8 Los Padres National Forest (Calif.) 8 Caribou-Targhee National Forest 6 Carson National Forest (N.M.) 6 Cibola National Forest (N.M.) 6 Dixie National Forest (Utah) 6 Klamath National Forest (Calif. and Or.) 6 Medicine Bow National Forest (Wyo.) 6 Nantahala National Forest (N.C.) 6 Pisgah National Forest (N.C.) 6 Rio Grande National Forest (Colo.) 6 Routt National Forest (Colo.) 6 Sawtooth National Forest (Idaho and Utah) 6 Talladega National Forest (Ala.) 6 Wilderness areas 6 Camping 5 Deschutes National Forest (Or.) 5 Flathead National Forest (Mont.) 5 Manti-La Sal National Forest (Utah and Colo.) 5 San Bernardino National Forest (Calif.) 5 Arapaho National Forest (Colo.) 4 Cleveland National Forest (Calif.) 4 Custer National Forest (Mont. and S.D.) 4 Eldorado National Forest (Calif.) 4 Kaibab National Forest (Ariz.) 4 Motor vehicle driving Recreational use 4 Mount Baker-Snoqualmie National Forest (Wash.) 4 National parks and reserves 4 Nebraska National Forest (Neb. and S.D.) 4 Roads Recreational use 4 Rogue River-Siskiyou National Forest (Or. and Calif.) 4 San Juan National Forest (Colo.) 4 Santa Fe National Forest (N.M.) 4 Shoshone National Forest (Wyo.) 4 Fremont National Forest (Or.) 3 Gifford Pinchot National Forest (Wash.) 3 Gila National Forest (N.M.) 3 Gunnison National Forest (Colo.) 3 Lincoln National Forest (N.M.) 3 Motor vehicles 3 Mount Hood National Forest (Or.) 3 Ochoco National Forest (Or.) 3 Plumas National Forest (Calif.) 3 Roads Maintenance and repair 3 Scenic byways 3 Siuslaw National Forest (Or.) 3 Umatilla National Forest (Or. and Wash.) 3 Willamette National Forest (Or.) 3 Alpine Loop National Back Country Byway (Colo.) 2 Automobiles Off-road operation 2 Bighorn National Forest (Wyo.) 2 Buffalo Gap National Grassland (S.D.) 2 Cahuilla Indians 2 Cimarron National Grassland (Kan.) 2 Coconino National Forest (Ariz.) 2 Conecuh National Forest (Ala.) 2 Croatan National Forest (N.C.) 2 Crooked River National Grassland (Or.) 2 Curlew National Grassland (Idaho) 2 De Soto National Forest (Miss.) 2 Diegueño Indians 2 Fishlake National Forest (Utah) 2 Gallatin National Forest (Mont.) 2 Gold Beach Ranger District (Or.) 2 Grand Mesa National Forest (Colo.) 2 Juniper Flats (San Bernardino County, Calif.) 2 Kamia Indians 2 Kiowa National Grassland (N.M.) 2 Luiseño Indians 2 Monterey Ranger District (Calif.) 2 Oglala National Grassland (Neb.) 2 Prescott National Forest (Ariz.) 2 Pueblo Indians 2 Rita Blanca National Grassland (Okla. and Tex.) 2 Samuel R. McKelvie National Forest (Neb.) 2 San Bernardino County (Calif.) 2