TY  - BOOK
AU  - Stokes, William Lee
TI  - ESSENTIALS OF EARTH HISTORY
U1  - 551.7 
PY  - 1960///
CY  - Englewood Cliffs, N. J.
PB  - Prentice Hall
KW  - Geology, Stratigraphic
KW  - Paleontology
N1  - Includes Bibliographies
ER  -