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Data sets Publications Expeditions Thesaurus
Cuyahoga Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Lower Mississippian
 ......Cuyahoga Formation
RTOhio
 Pennsylvania
 New York
SNLower Mississippian. Ohio and W Pennsylvania, New York. Added to Thesaurus in 1993.