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Quarry Accidents in the United States During the Calendar Year 1924

Description: Report published by the U.S. Bureau of Mines which is a compilation of accidents in quarries located in the United States with data regarding the number and kinds of accidents as well as information about the mining operations (e.g., number of men employed, kinds of quarries, amount of work performed, etc.).
Date: 1926
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department

Manual of Testing Methods for Oil Shale and Shale Oil

Description: From Introduction: "This paper is presented, therefore, as a manual of apparatus and methods that the bureau has developed for work on oil shale and found satisfactory for routine tests and for research. Explanation and discussion of the principles underlying the methods of testing are included wherever necessary for a clearer understanding."
Date: 1926
Creator: Karrick, Lewis C.
Partner: UNT Libraries Government Documents Department

Electric Shot-Firing in Mines, Quarries, and Tunnels

Description: From Introduction: "Data collected by the Bureau of Mines indicate the United States a large percentage of the blasting in quarries, shafts, and tunnels, and from 15 to 25 percent of the blasts in mining operations, are set off electrically. The Bureau of Mines is interested in electric shot-firing because of its use in mining, and especially because electric methods, when properly applied, are undoubtedly safer than other methods commonly used."
Date: 1926
Creator: Ilsley, L. C. & Hooker, A. B.
Partner: UNT Libraries Government Documents Department