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Jigging, Classification, Tabling, and Flotation Tests of Coals Presenting Difficult Washing Problems, with Particular Reference to Coals from Pierce County, Washington

Description: From Content and Arrangement of Report: "For the convenience of the reader the bulletin has been divided into two parts. Part I describes the investigation and summarizes the most important results. Part II gives the detailed data of the best of the washing tests by each process."
Date: 1931
Creator: Bird, B. M. & Marshall, S. M.
Item Type: Refine your search to only Report
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