TY  - BOOK
AU  - Kohnke,Helmut
AU  - Bertrand,Anson R.
TI  - Soil conservation
U1  - 631.45 
PY  - 1959///
CY  - New York
PB  - McGraw-Hill
KW  - Soil conservation
KW  - Soil management
KW  - Soil erosion
KW  - Soil moisture
N1  - Includes index
ER  -