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The Ferric Sulphate-Sulphuric Acid Process: With a Chapter on Producing Small Bubbles of Gas in Liquids by Submerged Orifices

Description: Report issued by the Bureau of Mines over studies conducted on the ferric sulphate-sulphuric acid process. As stated in the introduction, "the work reported here comprises merely a study of the chemistry of the process and the mechanical conditions that would have to be observed in practice" (p. 1). This report includes tables, and illustrations.
Date: 1927
Creator: Ralston, Oliver C. & Maier, Charles G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Quarry Accidents in the United States During the Calendar Year 1925

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: 1927
Creator: Adams, William W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Metal-Mine Accidents in the United States During the Calendar Year 1925

Description: Report issued by the U.S. Bureau of Mines covering accidents that happened in metal mines located in the United States including statistics for injuries, fatalities, kinds and causes of accidents, and operational data, such as number of mine workers and shifts worked.
Date: 1927
Creator: Adams, William W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Coal-Mine Fatalities in the United States, 1926

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: 1927
Creator: Adams, William W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Coal-Dust Explosion Tests in the Experimental Mine, 1919 to 1924, Inclusive

Description: From Introduction and Summary: "This bulletin describes the third series of coal-dust explosion tests by the Bureau of Mines in its experimental mine and covers a period from 1919 to the end of 1924, inclusive. A few related tests made in 1925 are also included."
Date: 1927
Creator: Rice, George S.; Paul, J. W. & Greenwald, H. P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Potash Mining in Germany and France

Description: From Scope of Bulletin: "This paper is confined largely to a discussion of methods of mining potash salts in France and Germany, in view of the possible application of similar methods when mining of the deposits in the southwestern part if the United States is undertaken, but it also includes a brief history of the German and French potash industry, a discussion of the geology of the deposits, a short description of the refining of crude salts for export, and an estimate of the cost of producti… more
Date: 1927
Creator: Rice, George S. & Davis, John A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Fluorspar: Its Mining, Milling, and Utilization with a Chapter on Cryolite

Description: From Preface: "The importance of fluorspar in the industrial development of this country, particularly in the open-hearth steel industry, has only begun to be realized fully, The World War showed that fluospar was an essential mineral and was not as abundant as has been supposed. Mr. Ladoo visited nearly all the important fluorspar mines and mills in the United States and obtained as much information as possible regarding foreign deposits, production and methods."
Date: 1927
Creator: Ladoo, Raymond B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Passage of Solid Particles Through Rotary Cylindrical Kilns

Description: Technical paper issued by the Bureau of Mines over studies conducted on rotary kilns. As stated in the introduction, "the object of this study was to determine the factors that influence the rate of progress of crushed materials through a kiln" (p. 1). This paper includes tables, illustrations, and photographs.
Date: 1927
Creator: Sullivan, John D.; Maier, Charles G. & Ralston, Oliver C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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