Resource Type
Serial/Series Title
United States Geological Survey Reports
4
Trace elements investigations report
3
United States Bureau of Mines Reports
2
Farmers' bulletin (United States. Dept. of Agriculture)
1
Health and Safety Laboratory Reports
1
Report of investigations (United States. Bureau of Mines)
1
Strontium Program Quarterly Summary Report
1
U.S. Waterways Experiment Station Reports
1
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