Resource Type
Collection
Serial/Series Title
United States Bureau of Mines Reports
21
Bulletin (United States. Bureau of Mines)
7
Technical paper (United States. Bureau of Mines)
5
U.S. Geological Survey bulletin
5
United States Geological Survey Reports
5
NACA Technical Reports
3
North American Fauna
3
United States Fish and Wildlife Service Reports
3
Abstracts of Current Decisions on Mines and Mining
2
Contributions to economic geology
2
9 More