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Data sets Publications Expeditions Thesaurus
Claron Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Claron Formation
RTPaleocene
 Eocene
 Oligocene
 Utah
 Arizona
SNSW Utah and surrounding areas. Indexed with age as applicable. Added to Thesaurus in 1995.