Resource Type
Collection
Serial/Series Title
15 Minute Series (Topographic)
13
United States Bureau of Mines Reports
9
Atomic Energy Commission Reports
7
Report of investigations (United States. Bureau of Mines)
5
Farmers' bulletin (United States. Dept. of Agriculture)
3
Information circular (United States. Bureau of Mines)
3
7.5 Minute Series (Topographic)
2
Annual Report of Research and Technologic Work on Coal
1
Los Alamos National Laboratory Reports
1