File:Veins in host rock (drill core) (Butte Mining District, Montana, USA) 1.jpg
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Veins_in_host_rock_(drill_core)_(Butte_Mining_District,_Montana,_USA)_1.jpg (640 × 480 pixels, file size: 143 KB, MIME type: image/jpeg)
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current | 23:07, 21 October 2022 | ![]() | 640 × 480 (143 KB) | Rmanwaring (talk | contribs) | https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Veins_in_host_rock_%28drill_core%29_%28Butte_Mining_District%2C_Montana%2C_USA%29_1.jpg/640px-Veins_in_host_rock_%28drill_core%29_%28Butte_Mining_District%2C_Montana%2C_USA%29_1.jpg |
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