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Data sets Publications Expeditions Thesaurus
Yegua Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....middle Eocene
 ......Yegua Formation
RTLouisiana
 Mississippi
 Texas
 Claiborne Group
SNIn Claiborne Group. E and S Texas, NW Louisiana, and W and S Mississippi. Added to Thesaurus in 1985.