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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
System:
The UNT Digital Library
First Aereo Squadron, Signal Corps, war diary : period from March 12 to April 23, 1916.
Photocopy of typescript describing activities and participants in the 1st Aereo Squadron of the Signal Corps during the Punitive Expedition against Pancho Villa from March 12 to April 23, 1916.
Date:
1916
Creator:
United States. Army. Signal Corps. Aereo Squadron, 1st.
System:
The Portal to Texas History