TY  - GEN
AU  - Donahue, Roy L
AU  - Hobbs, Arthur J
AU  - Troch, Frederick R
TI  - Soil and water conservation for productivity and environmental protection
SN  - 0138221553
U1  - 333.910 416 TRO 
CY  - NewJerssey, Prentice -Hall Inc
KW  - Water conservation / soil conservation
ER  -