TY  - BOOK
AU  - Plummer Charles
AU  - David McGeary
TI  - Physical geology
SN  - 0697098265
AV  - QE28.2.P58 1991 
PY  - 1991///
CY  - USA
PB  - WM.CBrown Publishers
KW  - physical geology
N1  - includes index
ER  -