English Wind River Formation Cited by user Olmagon on 05 Sep 2022 The Wind River Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
English Willwood Formation Cited by user Olmagon on 04 Sep 2022 The Willwood Formation is a sedimentary sequence deposited during the late Paleocene to early Eocene, or Clarkforkian, Wasatchian and Bridgerian in the NALMA…
English San Jose Formation Cited by user Kent G. Budge on 06 Nov 2020 The San Jose Formation is an Early Eocene (Wasatchian in the NALMA classification) geologic formation in the San Juan Basin of New Mexico and Colorado.