uranium roll front hosted in dakota sandstone (turkey creek road roadcut, dakota hogback, near denver, colorado, usa) 2 color palette

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#645F5E #34302B #B2A259 #B1AEA0 #7B7A7D

related tags: 32302D 34302B 62605F 645F5E 7B7A7D 7B7B7C 9C946F ADABA4 B1AEA0 B2A259 colorado creek cretaceous dakota denver deposit formation front hogback j morrison platte roll sandstone south turkey uraninite uranium