Resource Type
Serial/Series Title
United States Geological Survey Reports
8
Contributions to economic geology
5
Geological Survey bulletin
4
Farmers' bulletin (United States. Dept. of Agriculture)
3
Coast and Geodetic Survey Reports
2
U.S. Geological Survey bulletin
2
United States Bureau of Mines Reports
2
United States Earthquakes
2
Geological Survey professional paper
1
Information circular (United States. Bureau of Mines)
1
2 More