Prospecting and Mining of Copper Ore at Santa Rita, New Mexico (open access)

Prospecting and Mining of Copper Ore at Santa Rita, New Mexico

Report discussing techniques for the mining of large masses of low-grade ores such as though found in Santa Rita, NM. It is hoped that a study of the methods used at Santa Rita will help engineers in other industries who may have to handle large masses of material.
Date: September 1916
Creator: MacDonald, Donald F. & Enzian, Charles
Object Type: Report
System: The UNT Digital Library
Concentration of Ores. (open access)

Concentration of Ores.

Patent for improvements to recovering ore using flotation methods.
Date: December 17, 1918
Creator: Wiser, Oba
Object Type: Patent
System: The Portal to Texas History