TY  - BOOK
AU  - Keller, Edward A.
TI  - Environmental geology
SN  - 9780321643759
U1  - 550 DDC 22
PY  - 1996///
CY  - New york
PB  - Pearson education,Inc.
KW  - Geology
KW  - Environmental geology
KW  - Land use
ER  -