TY  - BOOK
AU  - Johnson, Lynn E.
TI  - Geographic information systems in water resources engineering
SN  - 9781420069136
U1  - 628.1028 
PY  - 2009///
CY  - Boca Raton
PB  - CRC Press
KW  - Water supply engineering
KW  - Watershed management
KW  - Water resources development--Systems engineering
ER  -