spearfish formation redbeds (permian and/or triassic; construction cut in sundance, wyoming, usa) 2 color palette

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#69720C #EC6B00 #FF8E10 #71CAFF #83A628

related tags: 69720C 71CAFF 83A628 97C3E2 B07039 D08F50 EC6B00 FF8E10 black formation hematite hills mudshale mudstone permian redbeds shale shales spearfish sundance triassic wyoming 545926 758748