Subject
Historic sites
7
Grant-Kohrs Ranch National Historic Site (Mont.)
4
Historic sites Management
2
Historic sites Planning
2
Little Bighorn Battlefield National Monument (Mont.)
2
Ranch life History
2
Anselmo Mineyard (Butte, Mont.)
1
Forest fires
1
Fort Union Trading Post National Historic Site (N.D. and Mont.)
1
Historic buildings Conservation and restoration
1
Montana Description and travel
1
Nature conservation
1
Plants
1