fossiliferous bituminous coal (clarion coal, middle pennsylvanian; prattsville west roadcut, vinton county, ohio, usa) 3 color palette

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#292E2F #56595C #3C4144 #919299 #7B7C84

related tags: 292E2F 2B2D2E 3C4144 3E4042 56595C 58595A 7B7C84 7D7E82 allegheny bituminous clarion coal county fossil fossiliferous fossils group ohio pennsylvanian plant plants prattsville rank vinton 919299 939497