TY  - BOOK
AU  - Downing,John McMahon
AU  - Price,Philip Middleton
AU  - Hamilton,C.L.
ED  - United States.
TI  - Plowing for terrace maintenance in the South
AV  - S623 .U5 1940d
U1  - 631.45 
PY  - 1940///]
CY  - [Washington
PB  - U.S. Govt. Print. Off.
KW  - Soil conservation
KW  - Plowing
ER  -