Resource Type
Collection
Serial/Series Title
Farmers' bulletin (United States. Dept. of Agriculture)
7
United States Geological Survey Reports
5
Trace elements investigations report
3
United States Bureau of Mines Reports
3
Technical paper (United States. Bureau of Mines)
2
Geological Survey bulletin
1
Mineral technology (United States. Bureau of Mines)
1
Report of investigations (United States. Bureau of Mines)
1
U.S. Geological Survey professional paper
1