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- Wallgren, Monrad C. (Monrad Charles), 1891-1961✖[remove]1
Current results range from 1943 to 1943
- eng1
- Doerner, H. A. (Henry Alfred), 1889-1
- United States. Bureau of Mines1
- United States. Congress. Senate. Special Committee Investigating the National Defense Program✖[remove]1
- Wallgren, Monrad C. (Monrad Charles), 1891-19611