TY  - BOOK
AU  - A F GUSTAFSON
TI  - CONSERVATION OF THE SOIL
U1  - GN631.4 G979C 
PY  - 1937///
CY  - NEW YORK
PB  - MCGROW-HILL BOOK COMPANY, INC.
KW  - CONSERVATION OF THE SOIL
N1  - MODERN BOOK HOUSE
ER  -