TY  - BOOK
AU  - Walker R H
AU  - Brown P E
TI  - Soil erosion in Iowa
U1  - 631.45 
PY  - 1936///
CY  - Ames
PB  - Iowa Agri. Exp. Station
KW  - Iowa
KW  - Soil conservation
KW  - Soil erosion
ER  -