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| View Original: | Tomboy Cross Section 2.PNG (1035x437) | |||
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| Keywords: Tomboy Cross Section 2.PNG en Tomboy Cross Section 2 1990-01-01 USGS Bulletin 1857-E Gold in Porphyry Copper Systems The Tomboy-Minnie Gold Deposits at Copper Canyon Lander County Nevada David W Blake other versions PD-USGov Nevada Copper mines Copper mining Copper mining in the United States | ||||
