| Lat / long: | 31.89123, -109.96376 |
| Primary: | Copper |
| Operation type: | Underground |
| Development status: | Past Producer |
| First production started: | 1915 |
| MRDS | M241057 |
| MAS | 40030067 |
| DEP | 10161238 |
| Reference | {Deposit:: INNES, D. G. AND ASSOC, LTD., 1982, UNPUB. GEOL. REPORT ON}{Deposit:: MIDDLEMARCH PROPERTY, PART OF ADMMR FILES, P. 2.}{Deposit:: MAHONEY, C. G., 1942, USBM, UNPUB. WAR MINERALS MEMO ON}{Deposit:: MIDDLEMARCH COPPER MINE, P. 4.}{Deposit:: CHATMAN, M. L., 1993, USBM OFR MLA 30-93, P. 23-24, D79.} |
| Reporter | Intermountain Field Operations Center (IFOC) |