Resource Type
Collection
Serial/Series Title
United States Bureau of Mines Reports
9
Report of investigations (United States. Bureau of Mines)
5
Farmers' bulletin (United States. Dept. of Agriculture)
2
Information circular (United States. Bureau of Mines)
2
United States Geological Survey Reports
2
Annual Report of Research and Technologic Work on Coal
1
Atomic Energy Commission Reports
1
NACA Memorandum Reports
1
NACA Wartime Reports
1
Soldier Shows "Blueprint Special"
1
3 More
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States
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Day
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