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Metal-Mine Accidents in the United States During the Calendar Year 1914

Description: Report issued by the U.S. Bureau of Mines covering accidents that happened in metal mines located in the Untied States including statistics for injuries, fatalities, kinds and causes of accidents, and operational data, such as number of mine workers and shifts worked. This report includes tables and illustrations.
Date: 1916
Creator: Fay, Albert H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Abstracts of Current Decisions on Mines and Mining: December, 1913, to September, 1914

Description: Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9).
Date: 1915
Creator: Thompson, J. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Abstracts of Current Decisions on Mines and Mining: October, 1914, to April, 1915

Description: Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9),
Date: 1915
Creator: Thompson, J. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Mining Industry in the Territory of Alaska During the Calendar Year 1915

Description: From Introduction: "This condition is likely to be serious, as preparations have been made for opening the Matanuska, Bering River, and Neanna coal fields, and a number of permits granting the free use of 10-acre tracts in other fields throughout the Territory have been issued.The need of a comprehensive inspection law and experienced engineers to safeguard the opening of coal mines by operators who are not familiar with coal mining and are using inexperienced help is obvious."
Date: 1917
Creator: Smith, Sumner S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Special Studies in Electrolysis Mitigation: 4. A Preliminary Report on Electrolysis Mitigation in Elyria, Ohio, with Recommendations for Mitigation

Description: Technical paper issued by the Bureau of Standards over surveys conducted on the electrical conditions of railway tracks in Elyria, Ohio. The results of the surveys are presented and discussed. This paper includes tables, maps, and illustrations.
Date: January 22, 1916
Creator: McCollum, Burton & Logan, K. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The History and Development of Gold Dredging in Montana: with a Chapter on Placer-Mining Methods and Operating Costs

Description: From Introduction: "Although the purpose of this paper is to describe gold dredging in Montana, a brief mention of some early appliances used in New Zealand, Australia, and California may serve as a world-connecting link in our consideration of the development of gold dredging."
Date: 1916
Creator: Jennings, Hennen
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Ochers and Mineral Pigments of the Pacific Northwest : Occurrence, Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays

Description: From Introduction: "A review is given of the nomenclature, sources, imports, statistics, common methods of preparation, and testing of mineral pigments. A description of the Deer Park-Spokane colored-clay district and the laboratory methods of preparation of these colored clays, ochers, and siennas follows. The following report is merely preliminary in nature, only three months during the summer of 1927 being devoted to the laboratory investigation."
Date: 1929
Creator: Wilson, Hewitt
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Recovery of Zinc from Low-Grade and Complex Ores

Description: From Introduction: "Vocalization in retorts has been, until recently, the only commercial process of producing spelter, hence the zinc mine operators have had to meet the terms of the zinc mine operators have had to meet the terms of the zinc smelters in regard to the following requirements: (1) Minimum percentage of zinc the ore must contain; (2) the chemical combination of the zinc in the ore; (3) the proportion present of those elements that interfere with the successful recovery of the zinc… more
Date: 1919
Creator: Lyon, Dorsey A. & Ralston, Oliver C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Potash Salts from Texas-New Mexico Polyhalite Deposits: Commercial Possibilities, Proposed Technology, and Pertinent Salt-Solution Equilibria

Description: From Introduction: "Figure 1 shows the location of sources that have been either exploited or seriously considered at one time or another, super-imposed upon a map indicating by small letters the order of consumption of K2O in the leading States; the amount used in these States, together with the percentage of the total consumption of potash used as fertilizer in the United States in 1939, is given in table 1. Figure 2 shows the domestic production and total consumption of potassium salts, in t… more
Date: 1944
Creator: Conley, John E. & Partridge, Everett P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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