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Trends in exploration of mineral deposits
Bureau of Mines strategic minerals development program :summary of progress, 1939-1949
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Published Year
1940-1949 (1)
1950-1959 (1)
Subject
Mines and mineral resources--United States (1)
Ores--Sampling and estimation (1)
Strategic materials--United States (1)
Author
Moon, Lowell B. (2) *
