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Data sets Publications Expeditions Thesaurus
Pearsall Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Pearsall Formation
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Comanchean
 .....Pearsall Formation
RTLouisiana
 Texas
 Trinity Group
SNIn Trinity Group. S Texas and Louisiana. Includes Cow Creek Member. This term has multiple hierarchies. Added to Thesaurus in 1989.