TY  - BOOK
AU  - 
AU  - Hays, W. W.
TI  - Facing geologic and hydrologic hazards: earth-science considerations
U1  - 551 
PY  - 1981///
CY  - Washington
PB  - U.S. Government Printing Office
KW  - Geological hazards
KW  - Hydrological hazards
ER  -