Resource Type
Collection
Serial/Series Title
Farmers' bulletin (United States. Dept. of Agriculture)
10
United States Bureau of Mines Reports
4
Information circular (United States. Bureau of Mines)
2
Annual Report of Research and Technologic Work on Coal
1
Coast and Geodetic Survey Reports
1
Farmers' bulletin (United States. Department of Agriculture)
1
Health and Safety Laboratory Reports
1
Trace elements investigations report
1
United States Earthquakes
1
United States Geological Survey Reports
1