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 Country: United States
 State: Wisconsin
 Collection: Technical Report Archive and Image Library
Accident Experience: Iron-Ore Mines, Lake Superior District, 1940-43

Accident Experience: Iron-Ore Mines, Lake Superior District, 1940-43

Date: May 1945
Creator: Cash, Frank E.
Description: Report issued by the U.S. Bureau of Mines discussing the iron-ore mining accident experience in the Lake Superior District. Frequency and severity rates of accidents between 1940 and 1943 are presented. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Magnetic Base Stations in Lake Superior Iron Districts

Magnetic Base Stations in Lake Superior Iron Districts

Date: September 1951
Creator: Bath, Gordon D.
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.
Contributing Partner: UNT Libraries Government Documents Department
External Environmental Radiation Measurements in the United States

External Environmental Radiation Measurements in the United States

Date: March 11, 1958
Creator: Solon, Leonard R.; Lowder, Wayne M.; Zila, Albert; LeVine, H. D.; Blatz, Hanson & Eisenbud, Merril
Description: Report regarding ion chamber measurements made of the external environmental radiation in various location in the United States during the summer of 1957.
Contributing Partner: UNT Libraries Government Documents Department