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Data sets Publications Expeditions Thesaurus
Racine Dolomite  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Silurian
 ....Middle Silurian
 .....Niagaran
 ......Racine Dolomite
RTIllinois
 Wisconsin
 Michigan
SNNE Illinois, N Michigan and SE Wisconsin. Added to Thesaurus in 1989.