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Ball-Mill Grinding

Description: Report issued by the Bureau of Mines discussing the ball-mill grinding technique. Different methods of mill grinding are presented and compared with ball-mill grinding. This report includes tables, illustrations, and photographs.
Date: 1937
Creator: Coghill, Will H. & DeVaney, Fred D.
Partner: UNT Libraries Government Documents Department

Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Description: Technical paper issued by the Bureau of Mines over microscopy of pulverized ores. As stated in the introduction, "this paper, which deals with the study of pulverized ores and the use of the camera lucida in such work, discusses an investigation undertaken at the Seattle and the Golden mining experiment stations of the Bureau of Mines" (p. 3). This paper includes tables, illustrations, and photographs.
Date: October 1919
Creator: Coghill, Will H. & Bonardi, J. P.
Partner: UNT Libraries Government Documents Department

Mineral-Dressing Characteristics of the Red Iron Ores of Birmingham, Alabama

Description: From Introduction: "The scope of this paper is such that it was deemed advisable to group the contents into several main sections. They are: Section I. Geography and Geology. Section II. Historical Review. (a) Mining and Smelting in Alabama. (b) Milling. (c) Summary of Milling Research. These two sections are primarily a bibliography and summary of the research on the Birmingham Red Mountain ores up to the middle 1940's."
Date: 1946
Creator: Coghill, Will H. & Coe, G. Dale
Partner: UNT Libraries Government Documents Department

Manganese: Its Occurrence, Milling, and Metallurgy; Part 1

Description: Report issued by the U.S. Bureau of Mines discussing the "occurrence, milling, and metallurgy of manganese in the United States" (p. 1). Different properties and compounds of manganese are also discussed. This report includes a map, tables, illustrations, and photographs.
Date: May 1934
Creator: Dean, Reginald S.; DeVaney, Fred D. & Coghill, Will H.
Partner: UNT Libraries Government Documents Department