TY  - BOOK
AU  - Pennington Karrie Lynn
AU  -  Cech, Thomas V.
TI  - Introduction to Water Resources and Environmental Issues 
SN  - 978-0-521-86988-1.
AV  - GB661.2.P44 
CY  - New York
KW  -  Earth sciences
KW  -  Hydrologic cycle
KW  -  Hydrology
KW  -  Physical geography
KW  -  Water conservation
KW  - Geography
KW  - Water
ER  -