Ash, S.R., 1974, Road log, with botanical notes by R.H. Hevly, in Ash, S.R., ed., Guidebook to Devonian, Permian and Triassic plant localities, east-central Arizona: Botanical Society of America, Paleobotanical Section, p. 1-25.
Ash, S.R., 1974, Road log, with botanical notes by R.H. Hevly, in Ash, S.R., ed., Guidebook to Devonian, Permian and Triassic plant localities, east-central Arizona: Botanical Society of America, Paleobotanical Section, p. 1-25.
Road Log, Locale, Fossil Plant, Permian, Triassic, Devonian, History,