Resource Type
Serial/Series Title
Atomic Energy Commission Reports
12
United States Bureau of Mines Reports
12
Report of investigations (United States. Bureau of Mines)
7
United States Geological Survey Reports
7
Information circular (United States. Bureau of Mines)
4
Farmers' bulletin (United States. Dept. of Agriculture)
3
U.S. Geological Survey bulletin
3
Atomic Energy Commission Report
2
Strategic minerals investigations
2
Trace elements investigations report
2
5 More