TY  - BOOK
AU  - Bennett,Hugh H.
ED  - United States.
TI  - Soils and security
AV  - S623 .U5 1941d
U1  - 631.450973 
PY  - 1941///]
CY  - [Washington
PB  - U.S. Govt. print. off.
KW  - Soil conservation
KW  - United States
KW  - Erosion
N1  - "By H. H. Bennett, chief, Soil conservation service."--p. 1
ER  -