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Annual Report of the Mining Division, Fiscal Year 1941

Description: Report issued by the U.S. Bureau of Mines on the annual study of the work done by the Mining Division. Investigations, operations, and projects completed during the fiscal year are discussed. This report includes tables, and photographs.
Date: November 1941
Creator: Jackson, Charles F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Lead and Zinc Mining and Milling in the United States: Current Practices and Costs

Description: From Object and Scope of Bulletin: "The purpose of this paper to combine in a single volume discussions of the winning of lead and zinc ores from the mines and of the milling of the ores with descriptions of practices at typical properties in the United States."
Date: 1935
Creator: Jackson, Charles F.; Knaebel, John B. & Wright, C. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Metal-Mining Practice

Description: Report discussing mining practices of a large number of metal mines in the United States and foreign countries and the adaptation of mining methods best suited to the various natural conditions in mines and their comparative costs. This bulletin is concerned primarily with mining or ore production and discusses milling and marketing only in brief.
Date: 1939
Creator: Jackson, Charles F. & Hedges, J. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sampling and Estimation of Ore Deposits

Description: Report discussing methods of sampling and estimation of ore deposits employed at a large number of mines and under a wide range of conditions in connection with the exploration and mining of ore deposits. Does not include methods employed in ore-dressing and metallurgical plants.
Date: 1934
Creator: Jackson, Charles F. & Knaebel, John B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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