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Stone Dusting or Rock Dusting to Prevent Coal-Dust Explosions, as Practiced in Great Britain and France

Description: From Introduction: "Coal dust as an agent of widespread explosions had been under suspicion, and watering to allay the dust was recommended by some mining engineers but the watering of coal-mine dust was adopted in comparatively few mines of the United States and Great Britain, and had not been introduced widely in any country except Germany. Rock dusting, another method of preventing explosions of coal dust, was early tested with success by the Bureau of Mines in its first gallery at Pittsburg… more
Date: 1924
Creator: Rice, George S.
Partner: UNT Libraries Government Documents Department
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Coal-Mine Fatalities in the United States, 1923

Description: Report compiled by the U.S. Bureau of Mines including statistics on fatalities in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date: 1924
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department
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Coal-Mining Problems in the State of Washington

Description: From Introduction: "On account of extensive folding and faulting of the coal measures, mining in Washington presents many difficulties; therefore a description of the methods employed at some of the mines may be useful in planning operations in other regions, and is presented in this bulletin."
Date: 1924
Creator: Evans, George Watkin
Partner: UNT Libraries Government Documents Department
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Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles

Description: Scientific paper issued by the Bureau of Standards over the mutual inductance of two coaxial circles. As stated in the abstract, "a number of examples are given to show the methods of computation by the different formulas, tables, and charts" (p. 541). This paper includes tables, and illustrations.
Date: August 5, 1924
Creator: Curtis, Harvey L. & Sparks, C. Matilda
Partner: UNT Libraries Government Documents Department
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Theory of Determination of Ultra-Radio Frequencies by Standing Waves on Wires

Description: Scientific paper issued by the Bureau of Standards over ultra-radio frequencies. As stated in the abstract, "this paper furnishes the theoretical background for the method of frequency standardization employing short standing waves on parallel wires" (p. 487). This paper includes tables, and illustrations.
Date: June 23, 1924
Creator: Hund, August
Partner: UNT Libraries Government Documents Department
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Oil Shale: An Historical, Technical, and Economic Study

Description: Revised report issued by the U.S. Bureau of Mines discussing studies conducted on the development of the oil-shale industry from a historical, technical, and economic perspective. Results of the studies are presented. This report includes tables, illustrations, and photographs.
Date: 1924
Creator: Gavin, Martin J.
Partner: UNT Libraries Government Documents Department
open access

Gas Masks for Gasoline and Petroleum Vapors

Description: Technical paper issued by the Bureau of Mines over gas masks developed for gasoline and petroleum vapors. Descriptions of different types of gas masks developed are presented. This paper includes tables, photographs, and illustrations.
Date: August 1924
Creator: Katz, Sidney H. & Bloomfield, J. J.
Partner: UNT Libraries Government Documents Department
open access

Experiments in the Use of Back Pressures on Oil Wells

Description: Technical paper issued by the Bureau of Mines over experiments conducted on the back pressure of oil wells. The results of the experiments are presented and discussed. This paper includes tables, photographs, and illustrations.
Date: September 1924
Creator: Swigart, T. E. & Bopp, C. R.
Partner: UNT Libraries Government Documents Department
open access

Revision of the American Pikas (Genus Ochotona)

Description: Discusses distribution, habitat, habits, pelage, molt, specimens, history, and nomenclature of pikas. Provides descriptions, locations, and a key for species and subspecies.
Date: August 21, 1924
Creator: Howell, Arthur H.
Partner: UNT Libraries Government Documents Department
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