Burro Canyon Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Burro Canyon Formation
RTNew Mexico
 Utah
 Colorado
 Arizona
SNSW Colorado, NE Arizona, NW New Mexico and SE Utah. Added to Thesaurus in 1985.