Development and Preliminary Operation of the Gas-Combustion Oil-Shale Pilot Retort (open access)

Development and Preliminary Operation of the Gas-Combustion Oil-Shale Pilot Retort

Report issued by the Bureau of Mines over operations of an oil-shale pilot plant. As stated in the summary, "this report describes the step-by-step development of the Gas-Combustion retort and the various modifications and means of air admission used to obtain a workable unit" (p. 2). This report includes tables, graphs, and illustrations.
Date: November 1955
Creator: Matzick, Arthur; Ruark, J. R. & Putman, M. W.
System: The UNT Digital Library
Investigation of Copper-Nickel Mineralization in Kawishiwi River Area, Lake County, Minnesota (open access)

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

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.
System: The UNT Digital Library