TY  - BOOK
AU  - Troeh,Frederick R.
AU  - Hobbs,J.Arthur
AU  - Donahue,Roy Luther
AU  - Troeh,Frederick R.
TI  - Soil and Water Conservation : 
SN  - 013830324X
U1  - 631.4 TRO 20
PY  - 1991///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Soil conservation
KW  - Water conservation
ER  -