fossil branches (llewellyn formation, middle pennsylavnian; bear valley strip mine, northumberland county, pennsylvania, usa) 1 color palette

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#6F6C67 #343933 #95918C #F7F7F7 #8A8075

related tags: 6D6B69 6F6C67 85807A 8A8075 93918E 95918C F7F7F7 bear branch branches county formation fossil fossils llewellyn mine northumberland pennsylvania pennsylvanian plant plants strip valley 343933 353834