The "Turtle-Oreodon Layer" or "Red Layer," a Contribution to the Stratigraphy of the White River Oligocene (Results of the Princeton University 1920 Expedition to South Dakota). Investigation Aided by a Grant from the Marsh Fund of the National Academy of Sciences

✍ Scribed by William J. Sinclair

• Book ID: 123913566
• Publisher: Smithsonian Institution Biodiversity Heritage Library
• Year: 1921
• Tongue: English
• Weight: 860 KB
• Volume: 60
• Category: Article
• ISSN: 0003-049X
• DOI: 10.2307/984423