Resource Type
Serial/Series Title
United States Bureau of Mines Reports
9
Farmers' bulletin (United States. Dept. of Agriculture)
2
Information circular (United States. Bureau of Mines)
2
Bulletin (United States. Bureau of Mines)
1
Fiscal Year 1948
1
Fiscal Year 1949
1
Fiscal Year 1950
1
Mineral Facts and Problems
1
U.S. Geological Survey professional paper
1
United States Geological Survey Reports
1