Resource Type
Serial/Series Title
United States Bureau of Mines Reports
9
United States Geological Survey Reports
4
U.S. Geological Survey professional paper
3
Information circular (United States. Bureau of Mines)
2
Report of investigations (United States. Bureau of Mines)
2
Technical paper (United States. Bureau of Mines)
2
Mineral technology (United States. Bureau of Mines)
1
U.S. Geological Survey bulletin
1