TY  - BOOK
AU  -  Plummer, Charles C., 1937-; McGeary, David,
TI  - Physical geology
SN  - 0-697-13807-0
U1  - CIR  551 P48 1993 c.1 
PY  - 1993///
CY  - Iowa
PB  - Wm.C. Brown Publishers
ER  -