Resource Type
Serial/Series Title
United States Bureau of Mines Reports
10
Farmers' bulletin (United States. Dept. of Agriculture)
2
United States Geological Survey Reports
2
Geological Survey bulletin
1
Information circular (United States. Bureau of Mines)
1
Report of investigations (United States. Bureau of Mines)
1
Technical paper (United States. Bureau of Mines)
1
U.S. Geological Survey bulletin
1