Resource Type
Partner
Collection
Serial/Series Title
Farmers' bulletin (United States. Dept. of Agriculture)
7
United States Bureau of Mines Reports
4
United States Geological Survey Reports
3
Trace elements investigations report
2
Civilian Conservation Corps History Oral History Project
1
Mineral technology (United States. Bureau of Mines)
1
Report of investigations (United States. Bureau of Mines)
1
Technical paper (United States. Bureau of Mines)
1
Water Resources Investigations Reports
1