TY  - MON
AU  - Fletcher, Charles H
TI  - Investigating earth
SN  - 0697266737
PY  - 1997///
CY  - Dubuque, IA
PB  - Wm. C. Brown
KW  - Geologia
KW  - 55
PP  - Dubuque, IA
SP  - X, 276 p.
SN  - 0697266737
PB  - Wm. C. Brown
ER  -