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Cold-Mold Arc Melting and Casting

Description: Report issued by the U.S. Bureau of Mines providing updates and additional information related to cold-mold arc melting and casting. Abstract: "This bulletin reviews the historical background of the cold-mold arc-melting technology, with specific references to the development that led to homogeneous zirconium ingots. Descriptions are given of modern production arc-furnaces for vacuum melting of both exotic and conventional metals. Besides zirconium, specific data are given for production of … more
Date: 1968
Creator: Beall, Robert A. & Hedges, Joseph Harold
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Diesel Exhaust Contamination of Tunnel Air

Description: Report issued by the Bureau of Mines on investigations of air contamination in tunnels due to diesel exhaust. Air samples were taken inside tunnels and measured for carbon dioxide, carbon monoxide, and nitrogen oxides. This report includes tables and graphs.
Date: February 1968
Creator: Holtz, John C. & Dalzell, Robert W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Qualitative and Quantitative Aspects of Crude Oil Composition

Description: Report issued by the Bureau of Mines over studies conducted on the composition of crude oil. As stated in the abstract, "this publication summarizes the literature on the composition of petroleum, with special emphasis on naphtha and gas oil, and provides a source book for the known qualitative and quantitative facts on crude oil composition" (p. 1). This report includes tables, and illustrations.
Date: 1968
Creator: Smith, Harold Manton
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

New England Beryllium Investigations

Description: Report issued by the Bureau of mines over studies conducted on beryllium deposits in New England. Evaluations of the deposits are presented and discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1968
Creator: Barton, William R. & Goldsmith, Carl E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Tunneling: Recommended Safety Rules

Description: Report meant to promote health and safety in tunneling and related operations. All precautionary measures recommended are based on actual conditions observed from investigations of fatal or serious accidents and from research conducted to find ways and means of alleviating hazards.
Date: 1968
Creator: United States. Bureau of Mines. Health and Safety Activity.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hydrogenation of Coal and Tar

Description: From Abstract: "This bulletin traces the development of high-pressure, coal and tar hydrogenation technology, based on intensive review of the pertinent literature. The bulletin was written as a part of the Bureau of Mines research program on synthetic liquid fuels. It covers the history and economics of the process; the chemical aspect of hydrogenation of coal, tar, and middle oil; the engineer aspect of converting coal and tar to liquid fuels, principally gasoline; and the equipment of the pr… more
Date: 1968
Creator: Wu, W. R. K. & Storch, H. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Dimension Stone

Description: Report issued by the U.S. Bureau of Mines discussing the building material, dimension stone. As stated in the introduction, "the pertinent properties and principal specifications for stone are described along with exploration, mining, finishing, and use technology. A brief history and geologic background are also included" (p. 2). This report includes maps, tables, illustrations, and photographs.
Date: 1968
Creator: Barton, William R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Copper Leaching Practices in the Western United States

Description: Report issued by the U.S. Bureau of Mines discussing copper leaching in the Western United States. As stated in the introduction, "the purpose of this report is to describe and discuss the different leaching and recovery methods currently employed in the production of copper from low-grade ores in the Western states" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1968
Creator: Sheffer, Herman W. & Evans, LaMar G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Tunneling Technology: Its Past and Present

Description: Report issued by the U.S. Bureau of Mines discussing tunneling technology for mine development. As stated in the introduction, "the discussion is based primarily upon tunnels driven through relatively competent rocks for mine development and drainage; public water supply; canal, railway, and vehicular transportation; and hydroelectric facilities. Special tunneling methods using shields and compressed air in soft ground are not described" (p. 1). This report includes a table.
Date: 1968
Creator: Nasiatka, Thomas M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Microfilming Maps of Abandoned Anthracite Mines: Mines in the Wyoming Basin, Northern Anthracite Field

Description: Report issued by the Bureau of Mines discussing a program for microfilming maps of abandoned mines in the Pennsylvania anthracite region. As stated in the introduction, "this report contains a catalog of films covering 68 of the 72 mines in the Wyoming Basin of the Northern anthracite field. Maps of active mines are not included" (p. 4). This report includes tables, and maps.
Date: June 1968
Creator: Eaton, W. L. & Gait, G. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Cold-Mold Arc Melting and Casting

Description: Report issued by the Bureau of Mines discussing the cold-mold arc-melting technology and techniques. As stated in the introduction, "the objectives of this book are twofold: To accumulate and update Bureau of Mines contributions to cold-mold arc melting and casting, and, by addition of pertinent chapters, to provide production melters and researchers with the best possible view of the overall technique" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1968
Creator: Beall, Robert A.; Caputo, F.; Hayes, E. T.; Asai, G.; Roberson, A. H.; Clites, P. G. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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