Map of Alaska showing the known distribution of mineral resources / U.S. Geological Survey, compiled under the direction of Alfred H. Brooks, Geologist in charge of Division of Alaskan Mineral Resources, U.S. Geological Survey.
15821787
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Beinecke Rare Book and Manuscript Library > Map of Alaska showing the known distribution of mineral resources / U.S. Geological Survey, compiled under the direction of Alfred H. Brooks, Geologist in charge of Division of Alaskan Mineral Resources, U.S. Geological Survey.