TY  - BOOK
AU  - Keller,Edward A.
AU  - Burt,E.M.
TI  - Environmental geology
SN  - 0675099153
AV  - QE 33 .K44 1982
U1  - 304.2 19
PY  - 1982///
CY  - Columbus
PB  - Merrill
KW  - Environmental geology
N1  - Includes bibliographical references and index
ER  -