TY  - BOOK
AU  - Betz,Frederick
TI  - Environmental geology
SN  - 0470071702
PY  - 1975///
CY  - Hutchinson & Ross, Stroudsburg, Pa.
PB  - Dowden
KW  - Engineering geology
KW  - Addresses, essays, lectures
KW  - Environmental protection
KW  - Man
KW  - Influence of environment
N1  - p. 365
ER  -