Field Notebook: Texas 1924, 1925
Page 90
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
S.P.R., on James Rand. Lord Ff. goes as far W. as 1 mile E. of Altuda. Again on the other side of the valley to W and S.W. of Altuda. There one continues. Vidris is last of the Permian in this shut. Above it lies a third conglomerate series whose age is unknown. It is overlain by the Cretaceous.