TY  - BOOK
AU  - Frevert,Richard K.
AU  - Others
TI  - Soil and Water Conservation Engineering
U1  - 631.45 
PY  - 1955///
CY  - 
PB  - John Wiley Inc. New York.
KW  - Soil Classification,Erosion,Mulch
KW  - Soil and Water Conservation
ER  -