Resource Type
Serial/Series Title
United States Geological Survey Reports
11
United States Bureau of Mines Reports
9
Strategic minerals investigations
8
U.S. Geological Survey bulletin
8
Coast and Geodetic Survey Reports
5
United States Earthquakes
5
Report of investigations (United States. Bureau of Mines)
4
Farmers' bulletin (United States. Dept. of Agriculture)
3
Information circular (United States. Bureau of Mines)
2
Technical paper (United States. Bureau of Mines)
2
4 More