TY  - BOOK
AU  - Troeh,Frederick R.
AU  - Hobbs,J.Arthur
AU  - Donahue,Roy Luther
TI  - Soil and water conservation for productivity and environmental protection
SN  - 0138221553 :
U1  - 333.7/2 
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Soil conservation
KW  - Water conservation
KW  - Soil erosion
N1  - Includes bibliographies and index
ER  -