TY  - BOOK
AU  - Levin,Harold L.
TI  - The earth through time
T2  - Saunders golden sunburst series
SN  - 0030536898
AV  - QE28.3 .L48 1991
U1  - 551LEV1991 20
PY  - 1991///
CY  - Fort Worth
PB  - Saunders College Pub.
KW  - Historical geology
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -