TY  - BOOK
AU  - Dunbar Carl O.
TI  - Historical geology / 
U1  - 551.7 DUN 22nd ed. 
PY  - 1960///.
CY  - New York : 
PB  - John Wiley and Sons INC., 
KW  - Stratigraphic geology
KW  - Paleontology
KW  - Geologia Geral
N1  - Includes index.; Pt.1. Prologue- Pt.2. Earths changing features- Pt.3. The pagent of life
ER  -