Goethite from Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
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| Calif. Div. of Mines & Geology Bull. #189, Murdoch, et al (1966): 50. |
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Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 200. |