Engineering and Mining Journal Volume 162 No.1
... which will eventually tap the leading vein systems of the camp at various depths up to 1, 800 ft., is about to be started by .... Greenlee County SHANNON ( CliftoniaOctober copper production about 757, 000 lb. ... PURE QUILL (Angels CampiaFred Bender has bonded, unwatered shaft, installed new headframe and hoist.
| Title | : | Engineering and Mining Journal Volume 162 No.1 |
| Author | : | |
| Publisher | : | - 1916 |
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