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The Technology of Slate

Description: From Introduction: "The purpose of this bulletin is to point out the most efficient methods and equipment now in use in slate quarries, to describe methods of utilizing the quarried material to best advantage, and to outline means of reducing the proportion of waste, which is now excessive."
Date: 1922
Creator: Bowles, Oliver
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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A Carbon Monoxide Recorder and Alarm

Description: Technical paper issued by the Bureau of Mines over the development of carbon monoxide alarms and recorders. Descriptions of the recording equipment are presented and discussed. This paper includes tables, photographs, and illustrations.
Date: 1926
Creator: Katz, Sidney H.; Reynolds, D. A.; Frevert, H. W. & Bloomfield, J. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Microscopic Structure and Concentratability of the Important Iron Ores of the United States

Description: Outline of Problem: "This paper covers a survey of 19 ores collected from seven of the more important iron-ore districts of the United States and is a contribution by the ore-dressing section of the United States Bureau of Mines to general research program on iron and steel being conducted by the Bureau."
Date: 1936
Creator: Cooke, S. R. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Petrography of American Coals

Description: From Introduction and Summary: "A large number of published papers contain petrographic information relating to the specific coals investigated; a classified list of these papers is included in the report (p.144). To fill the obvious need for a compilation of all available petrgraphic information, this report gives tabulated data of 217 samples of various American coals investigated in the Bureau of Mines Coal Petrography Laboratory."
Date: 1955
Creator: Parks, B. C. & O'Donnell, H. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Magnetic Separation of Ores

Description: Report issued by the Bureau of Mines over studies conducted on the removal of magnetic materials from iron ores. As stated in the introduction, "this report discusses briefly operations and trends in magnetic separation, explains magnetic separation, describes and classifies the machines used, and outlines their development" (p. 1). This report includes tables, and illustrations.
Date: 1941
Creator: Dean, Reginald S. & Davis, Charles Wesley
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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