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Change Houses in the Lake Superior Region

Description: Technical paper issued by the Bureau of Mines over change and wash houses in the Lake Superior area. As stated in the introduction, "this paper, with a few exceptions, presents data acquired in a survey, made by the author, of change houses in the Lake Superior region. All buildings, equipment, and practices were studied with regard for the health and welfare of the miner" (p. 1). This paper includes tables, photographs, and illustrations.
Date: September 1923
Creator: Kindall, Cleve Edwin
Item Type: Report

City Smoke Ordinances and Smoke Abatement

Description: From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much information has been accumulated as to the smoke abatement activities in various cities. The essential features of the information are presented in this report, which, it is believed, will be of public interest and benefit, especially to those communities that are just beginning organized effort to abate unnecessary smoke."
Date: 1912
Creator: Flagg, Samuel B.
Item Type: Report

Evaluating Cuyuna Manganese Resources by Sulfatizing

Description: Report issued by the Bureau of Mines over evaluations of manganese deposits. The results of the evaluations are listed. This report includes tables, maps, and illustrations.
Date: 1961
Creator: Prasky, Charles; Marovelli, Robert Lawrence & Joyce, Floyd E., Jr.
Item Type: Report

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: Report

Magnetic Base Stations in Lake Superior Iron Districts

Description: Report issued by the U.S. Bureau of Mines on the magnetic base stations located in Minnesota, Michigan, and Wisconsin. The report evaluates the usefulness of the stations for calibration of certain instruments. This report contains tables, graphs, maps, and illustrations.
Date: September 1951
Creator: Bath, Gordon D.
Item Type: Report

Modifications to Filling and Emptying System of Lock No. 1, Mississippi River, Minneapolis, Minnesota =: Hydraulic Model Investigation

Description: From abstract: The existing locks at Locks and Dam No. 1 were constructed between 1929 and 1932. Problems have been experienced with accumulation of ice and debris at the intakes, air entrapment in the culverts of the filling and emptying system, excessive turbulence in the lock chamber during filling, and hazardous conditions downstream from the locks during emptying operations.
Date: December 1979
Creator: Ables, Jackson H.
Item Type: Report

Safety Cars of the United States Bureau of Mines

Description: Report issued by the U.S. Bureau of Mines discussing the mine stations and safety cars used to reach miners in distress. As stated in the report, "the purpose, equipment, personnel, and construction of its safety cars" is presented. This report includes an illustration, and a map.
Date: March 1931
Creator: Forbes, J. J. & Ankeny, M. J.
Item Type: Report