MAKE A MEME View Large Image Tomboy Geology.PNG en Tomboy Geology 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 ...
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Keywords: Tomboy Geology.PNG en Tomboy Geology 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
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