English U-Bar Formation Cited by user Kent G. Budge on 16 Sep 2020 The U-Bar Formation is a geologic formation in southwestern New Mexico. It preserves fossils dating back to the early Cretaceous period.
English Bisbee Group Cited by user Kent G. Budge on 10 Sep 2020 The Bisbee Group is a geologic group in Arizona, Mexico, and New Mexico. It preserves fossils dating back to the early Cretaceous period.