Trace Elements Reconnaissance in South Dakota and Wyoming Preliminary Report (open access)

Trace Elements Reconnaissance in South Dakota and Wyoming Preliminary Report

The following report provides information that follows investigations of radioactivity in certain rocks found in Wyoming and South Dakota during the summer of 1945. Uranium is the principal element in this report with thorium as secondary.
Date: March 1946
Creator: Slaughter, A. L. & Nelson, John W.
System: The UNT Digital Library
Mining and Concentration of Missouri Valley Manganese at Chamberlain, South Dakota (open access)

Mining and Concentration of Missouri Valley Manganese at Chamberlain, South Dakota

Report issued by the U.S. Bureau of Mines regarding the concentration of manganese ore along the Missouri River valley. The report contains maps, tables, graphs, photographs, and illustrations.
Date: February 1946
Creator: Dupuy, Leon W.; Calhoun, W. A. & Rasmussen, R. T. C.
System: The UNT Digital Library