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Start Over Partner UNT Libraries Government Documents Department Serial/Series Title Technical paper (United States. Bureau of Mines) Year 1922 Month June

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Recent Progress in the Thawing of Frozen Gravel in Placer Mining (open access)

Recent Progress in the Thawing of Frozen Gravel in Placer Mining

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
System: The UNT Digital Library