Note 90 — Chapter XI
Reading edition
Chas. Schuchert: Paleogeography of North America; Bull. Geol. Soc. Am., Vol. 20, 1910; and Willis, Salisbury, and others: Outlines of Geologic History, 1910.
Reading edition
Chas. Schuchert: Paleogeography of North America; Bull. Geol. Soc. Am., Vol. 20, 1910; and Willis, Salisbury, and others: Outlines of Geologic History, 1910.