Boone Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Boone Formation
RTMissouri
 Oklahoma
 Arkansas
 Meramecian
 Osagian
SNLower and Upper Mississippian. N Arkansas, SW Missouri, and E Oklahoma. Indexed with age as applicable. Added to Thesaurus in 1993.