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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.
Object Type:
Report
System:
The UNT Digital Library
[Letter from I. H. Kempner to R. M. Armstrong, July 9, 1955]
Letter from I. H. Kempner to R. M. Armstrong discussing prepays.
Date:
July 9, 1955
Creator:
Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type:
Letter
System:
The Portal to Texas History