TY  - BOOK
AU  - Schwab,Glenn Orville
TI  - soil and water conservation engineering
SN  - 9814126527
U1  - 631.4 SCH 
PY  - 2002///
CY  - New York
PB  - John Wiley .
KW  - Soil conservation
KW  - Water conservation
KW  - Surveying
N1  - P.B
ER  -