TY  - BOOK
AU  - Tuttle, Esther
AU  - Tuttle, Sherwood
AU  - McGeary, Plummer
TI  - Physical geology: study guide
SN  - 9780697050397
U1  - 551 
PY  - 1982///
CY  - Iowa
PB  - Brown
KW  - Geology, Hydrology, Meteorology
ER  -