SCHUCHERT, CHARLES.
Textbook of geology. Pt.2: Historical geology. By Charles Schuchert & Carl O. Dunbar. 4th ed.
SCHUCHERT, CHARLES. Textbook of geology. Pt.2: Historical geology. By Charles Schuchert & Carl O. Dunbar. 4th ed. © 31Jan41; A149756. Carl O. Dunbar (A); 9Jan69; R453949.
Carl O. Dunbar|A