TY  - BOOK
AU  - Schwab,Glenn Orville
AU  - Frevert,Richard K.
TI  - Elementary soil & water engineering / 
SN  - 0471825875
U1  - 631.4 
PY  - 1985///
CY  - New York
PB  - John wiley, 
KW  - Agriculture
KW  - Hydraulic engineering
KW  - Water
KW  - Soil
KW  - Planning
KW  - Crops
KW  - Cartography
ER  -