TY  - BOOK
AU  - Marshak, Stephen.
TI  - Essential of Geology
SN  - 9780393919394
AV  - QE28 .M34 2013 7490
PY  - 2013///
CY  - New York
PB  - W. W. Norton & Company
KW  - Geology--Texbook
N1  - Includes index
ER  -