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Senator Morgan mine (1920) | |
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Senator Morgan Mine group, Twin Buttes, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA Senator Morgan mine. The ore zone crops out along the low ridge to which a trestle bridge extends from the shaft. On the extreme left is part of the dump of the old shaft. Plate 16-C in U.S.G.S Bulletin 725 (1922). Photo courtesy of USGS. |
| Photo ID: 210516 View Count: 33 | |
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