Subject
Colorado
5
Gold mines and mining
4
Kansas
4
Outdoor recreation
3
Forest reserves Recreational use
2
Hiking
2
Natural history
2
Nebraska
2
Northwest, Pacific
2
Wilderness areas
2
Backpacking
1
Blue Ridge Mountains
1
Boats and boating
1
Camping
1
Cape Cod National Seashore (Mass.)
1
Castillo de San Marcos National Monument (Saint Augustine, Fla.)
1
Curry County (Or.)
1
Drug courts
1
Drug courts Research
1
Etiquette
1
Geology
1
Mining law
1
Mountain biking
1
National parks and reserves Recreational use
1
North Fork Ranger District (Idaho)
1
Outfitters (Outdoor recreation)
1
Pakistan
1
Pakistan Social life and customs
1
Plant conservation
1
Postal service
1
Pre-emption rights (United States)
1
Press
1
Rare plants
1
Recreation areas
1
Rivers Recreational use
1
Rogue River National Forest (Or. and Calif.)
1
Saint Augustine (Fla.)
1
Saint Augustine (Fla.) History
1
Salmon National Forest (Idaho)
1
Siskiyou National Forest (Or. and Calif.)
1
Soviet Union Foreign relations
1
Trail riding
1
United States Foreign relations
1
United States Officials and employees
1
Upper Missouri National Wild and Scenic River (Mont.)
1
Upper Missouri River Breaks National Monument (Mont.)
1
Visitors, Foreign
1
Visits of state
1
Washington (D.C.)
1
Yellowstone National Park
1