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Analyses of Alaska Coals

Description: Report issued by the Bureau of Mines discussing the coal fields of Alaska. Analyses of the Alaskan coal fields are presented in detail. This report includes tables, and a map.
Date: 1946
Creator: Gates, George O. & Fieldner, Arno Carl
Partner: UNT Libraries Government Documents Department
open access

Recent Progress in the Thawing of Frozen Gravel in Placer Mining

Description: Technical paper issued by the Bureau of Mines over progress made for thawing gravel in placer mines. Different thawing tests are presented and discussed. This paper includes tables, photographs, and illustrations.
Date: June 1922
Creator: Janin, Charles
Partner: UNT Libraries Government Documents Department
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