TY  - BOOK
AU  - Soil Conservation Service
TI  - A Manual on Conservation of Soil and Water:Handbook for professional agricultural workers
U1  - 631.45 
PY  - 0000///
CY  - Washington
PB  - Govt. Printing Office
KW  - Soil Classification,Erosion,Mulch
KW  - Agricul-tural Workers
KW  - Soil and Water Conservation
ER  -