TY  - BOOK
AU  - Johnson,Robert Britten
AU  - DeGraff,Jerome V.
TI  - Principles of engineering geology
SN  - 0471612758
U1  - 624.151 22
PY  - 1988///
CY  - New York
PB  - Wiley
KW  - Engineering geology
N1  - Includes bibliographies and index
ER  -