Resource Type
Collection
Serial/Series Title
United States Bureau of Mines Reports
5
Trace elements investigations report
3
United States Geological Survey Reports
3
Report of investigations (United States. Bureau of Mines)
2
Farmers' bulletin (United States. Dept. of Agriculture)
1
Fiscal Year 1948
1
Fiscal Year 1949
1
Fiscal Year 1950
1
Key to meteorological records documentation
1
Decade
Month
Day
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