Leaching Nonsulphide Copper Ores with Sulphur Dioxide (open access)

Leaching Nonsulphide Copper Ores with Sulphur Dioxide

Report issued by the Bureau of Mines discussing the sulfurous acid leaching of the Southwest experiment station. Operations and analyses of the experiment station are presented. This report includes tables, illustrations, and photographs.
Date: May 1923
Creator: Van Barneveld, Charles E. & Leaver, Edmund S.
System: The UNT Digital Library
Gypsum Products: Their Preparation and Uses (open access)

Gypsum Products: Their Preparation and Uses

Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date: July 1917
Creator: Stone, Ralph W.
System: The UNT Digital Library