Partner
Collection
Serial/Series Title
Farmers' bulletin (United States. Dept. of Agriculture)
11
United States Geological Survey Reports
7
Trace elements investigations report
5
United States Bureau of Mines Reports
5
Personal Papers (MS 80-0002)
2
47th Congress
1
Information circular (United States. Bureau of Mines)
1
Report of investigations (United States. Bureau of Mines)
1
Senate executive document (United States. Congress. Senate)
1
U.S. Geological Survey professional paper
1