TY  - BOOK
AU  - Levin,Harold L.
TI  - The earth through time
T2  - Saunders golden sunburst series
SN  - 0030089123
AV  - QE28.3 .L48 1988
U1  - 550 19
PY  - 1988///
CY  - Philadelphia
PB  - Saunders College Pub.
KW  - Historical geology
KW  - Textbooks
N1  - Includes bibliographies and index
ER  -