TY  - BOOK
AU  - Pearl,Richard Maxell,1913-
TI  - Geology [an introduction to principles of physics and historical Geology: With examinations and answers
AV  - 551 P316
PY  - 1968///,c1966]
CY  - New York
PB  - Barnes and Nobles
N1  - Bibliography: p. 241-248
ER  -