Field Notebook: Texas, Oklahoma 1919
Page 68
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
45 30 10 2 12 40 2 30 1 99 = Marble Falls, lower 73 Lower bend Fossils from here Label marked Base of Lower Marble Falls Limit.