TY  - BOOK
AU  - Troeh, Frederick
TI  - Soil and water conservation for productivity and environmental protection
SN  - 0-13-822155-3
U1  - 631.7 
PY  - 1980///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Soil conservation
KW  - water conservation
ER  -