TY  - BOOK
AU  - Dunbar,Carl O.
AU  - Schuchert,Charles
TI  - Historical geology
AV  - QE501 .D8
U1  - 551.7 
PY  - 1949///]
CY  - New York
PB  - John Wiley
KW  - Historical geology
N1  - Replaces Textbook of geology, pt. 2, Historical geology, by Charles Schuchert and Carl O. Dunbar, the text being largely rewritten; Includes bibliographies
ER  -