TY  - BOOK
AU  - Troeh, Frederick R.
AU  - Hobbs, James Arthur,
AU  - Donahue, Roy Luther,
TI  - Soil and water conservation: productivity and environmental prot ection. 
SN  - 0136222005
U1  - 631.45 22
PY  - 1999///
CY  - Upper saddle River, NJ.
PB  - Prentice-Hall
KW  - Soil conservation
KW  - Water conservation
N1  - Includes bibliographical references and index
ER  -