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Diamond Drilling at the Boston Consolidated Copper Mine, Salt Lake County, Utah

Description: Report issued by the Bureau of Mines over diamond-drilling projects in Salt Lake County. The geology, physical features, and history of the mines are presented. This report includes tables, maps, illustrations, and photographs.
Date: November 1949
Creator: Jones, Robert L. & Wilson, Stephen R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Investigation of West Belt Copper-Zinc Mines, El Dorado, Amador, Calaveras, and Mariposa Counties, California

Description: Report issued by the U.S. Bureau of Mines on the West Belt copper-zinc mines. The properties and characteristics of the mineral composition are presented. The report includes tables and maps.
Date: February 1951
Creator: Wiebelt, Frank J.; Sanborn, W. C.; Trengove, R. R. & Ricker, Spangler
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Investigation of Copper-Nickel Mineralization in Kawishiwi River Area, Lake County, Minnesota

Description: Report issued by the Bureau of Mines over studies conducted on the copper-nickel deposits of Lake County, Minnesota. As stated in the introduction, "this report describes the procedures and results of the drilling program as well as the metallurgical work and laboratory studies" (p. 1). This report includes tables, maps, and illustrations.
Date: November 1955
Creator: Grosh, W. A.; Pennington, J. W.; Wasson, P. A. & Cooke, S. R. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Ground-Water Monitoring in the Tucson Copper Mining District

Description: Abstract: Ground-water and tailings pond monitoring in the Upper Santa Cruz Basin Mines Task Force's Special Studies Area has been performed to determine the nature and extent of aquifer contamination from copper tailings pond's recharge in the basin. A monitoring program for each of three mining areas (Mines A, B, and D) was developed. Analysis of data shows that recharge from Mine A's ponds has caused increased hardness, sulfate and total dissolved solids in local ground water. However, pumpa… more
Date: July 1983
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Reduction Mills in Montana in 1925

Description: List of reduction mills in Montana, compiled in the course of investigations of mineral resources of Montana. It includes information about each loaction including: the process, character of ore, when the mill was operated, and custom work; equipment and power used; and capacity in tons.
Date: March 1927
Creator: Gerry, C. N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

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
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Subsidence and Ground Movement in the Copper and Iron Mines of the Upper Peninsula, Michigan

Description: Report issued by the Bureau of Mines over studies conducted on the ground movement and support failure of Michigan mines. Factors involved in surface subsidence in the mines are discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1929
Creator: Crane, Walter R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Beneficiation of Iron-Copper Ores from Kasaan Peninsula, Prince of Wales Island, Alaska

Description: Report issued by the Bureau of Mines over studies conducted on the beneficiation of iron-copper ores. As stated in the summary, "this report summarizes the results of laboratory testing of copper-bearing magnetite ore from the Poorman, Rush and Brown, and Copper Center deposits, Kasaan Peninsula, Prince of Wales Island, southeastern Alaska" (p. 1). This report includes tables, maps, and illustrations.
Date: February 1957
Creator: Wells, R. R.; Erspamer, E. G. & Sterling, F. T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Geologic Factors Related to Block Caving at San Manuel Copper Mine, Pinal County, Arizona: Progress Report, April 1954-March 1956

Description: Report issued by the Bureau of Mines over studies conducted on the geologic factors related to block-caving. The results of the study are presented. This report includes tables, maps, and illustrations.
Date: May 1957
Creator: Wilson, Eldred Dewey
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Production Potential of Copper Deposits Associated with Permian Red Bed Formations in Texas, Oklahoma, and Kansas

Description: Report issued by the Bureau of Mines on the copper deposits in the Permian red beds from north-central Texas through Oklahoma, and into southwestern Kansas. Geologic and economic properties of the copper ore are documented. This report includes tables, maps, illustrations, and photographs.
Date: August 1970
Creator: Stroud, R. B.; McMahan, A. B.; Stroup, R. K. & Hibpshman, M. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Rock Bursts in the Lake Superior Copper Mines, Keweenaw Point, Michigan

Description: From Introduction: "The effect of rock pressure may be general and continuous disintegration and reduction in size of pillars of ore and rock left for the support of the workings, resulting in the collapse of hanging wall and the closing of stopes, drifts, and shafts, or the action may be sudden and violent and aside from seriously affecting the workings may present a real hazard to the operation of mines. The object in the preparation of this report is to add to the accumulated information and… more
Date: 1929
Creator: Crane, W. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Copper Mining in North America

Description: From introduction: "In this paper are assembled and summarized many subjects relating to the copper industry in North America. Production of mines and districts, history of the industry in North America. Production of mines and districts, history of the industry, geology, of the principal deposits, and mining methods and costs are discussed."
Date: 1938
Creator: Gardner, E. D.; Johnson, C. H. & Butler, B. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Smelting of Copper Ores in the Electric Furnace

Description: From Introduction: "The bulletin presents, first, a critical discussion of the possibility of smelting copper ores in the electric furnace; second, the results of the experimental work of other investigators on the electric smelting of copper; third, the results of experiments by the authors on the electric smelting of native copper concentrates and sulphide copper ores; and, fourth, a comparison of the electric furnace with the blast furnace and reverberatory furnace for copper smelting."
Date: 1915
Creator: Lyon, Dorsey A. & Keeney, Robert M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Copper: A Materials Survey

Description: Report issued by the U.S. Bureau of Mines discussing surveys conducted on copper. Physicality, mineral properties, history, geology, production methods, and uses of copper are presented. This report includes maps, tables, illustrations, and photographs.
Date: 1965
Creator: McMahon, A. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mining Methods and Costs, Inspiration Consolidated Copper Company, Open-Pit Mine, Gila County, Arizona

Description: Report issued by the U.S. Bureau of Mines discussing copper mining methods and costs in Gila County, Arizona. As stated in the introduction, "this report reviews the underground mining method with emphasis on data and mechanics of block caving as exposed by the open-pit work. It describes the current operating and engineering practice in the open-pit mine with particular emphasis on physical, economic, engineering, and management factors that have affected the choice of mining method and equipm… more
Date: 1963
Creator: Hardwick, William R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Marketing Ores and Concentrates of Gold, Silver, Copper, Lead, and Zinc in the United States

Description: Report issued by the U.S. Bureau of Mines discussing the marketing of ores and mineral concentrates. As stated in the introduction, "the primary purpose of this report is to present data that will be useful to the producer of gold, silver, copper, lead, and zinc ores and concentrates in determining if a choice or ore markets is available and, if so, in choosing which marketing combination is likely to give a maximum return on ore shipments" (p. 2). This report includes maps, tables, and illustr… more
Date: 1964
Creator: Salsbury, Melford H.; Kerns, William H.; Fulkerson, Frank B. & Branner, George C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Open-Pit Copper Mining Methods and Costs at the Bagdad Mine, Bagdad Copper Corporation, Yavapai County, Arizona

Description: Report issued by the U.S. Bureau of Mines discussing the open-pit copper mining of Yavapai County, Arizona. As stated in the summary, "mining methods, including breaking ground, primary drilling and blasting, secondary drilling and blasting, loading, transportation, engineering, and operating control, are described" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: 1959
Creator: Hardwick, W. R. & Jones, E. L., III
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
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