Investigation of Radioactivity in the Yerington Copper Mine, Lyon County, Nevada (open access)

Investigation of Radioactivity in the Yerington Copper Mine, Lyon County, Nevada

From abstract: A reconnaissance radioactivity survey of the Anaconda Copper Mining Company open-pit copper mine at Yerington, Nevada, was made in October 1953 to investigate the reported occurrence on one of the mine dumps of rock containing 0.022 percent uranium.
Date: June 1955
Creator: Taylor, A. O. & Powers, J. F.
Object Type: Report
System: The UNT Digital Library
Recovery of sulfur from its ores (open access)

Recovery of sulfur from its ores

Patent for Recovery of Sulfur from its Ores which is used to be a full, clear, and exact description of the invention such as will enable other skilled art to which it appertains to make and use the same
Date: April. 12, 1921
Creator: {Gilbert A. Bragg}
Object Type: Patent
System: The Portal to Texas History