Resource Type
Collection
Serial/Series Title
United States Bureau of Mines Reports
6
Farmers' bulletin (United States. Dept. of Agriculture)
4
Technical paper (United States. Bureau of Mines)
2
Annual Report of Research and Technologic Work on Coal
1
Fiscal Notes
1
Information circular (United States. Bureau of Mines)
1
Mineral technology (United States. Bureau of Mines)
1