TY  - BOOK
AU  - Butler, M. D.
TI  - Conserving Soil
U1  - 631.45 
PY  - 1955///
CY  - New York
PB  - D. Van Nostrand Company, Inc
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soil conservation
KW  - Soil erosion
ER  -