Historical files from federal government mineral exploration-assistance programs, 1950 to 1974 / by David G. Frank.
- Physical Description: 1 online resource : color maps.
- Publisher: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2016.
|Bibliography, etc. Note:||
Includes bibliographical references.
|Source of Description Note:||
Description based on online resource; title from PDF title page (viewed Feb. 21, 2018).
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|Subject:||Mines and mineral resources > United States > History.
Natural resources > United States > Management > History.