000
00310nam a2200133Ia 4500
008
160316s1937 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
A.F. Gustafson
245
_a
Conservation Of The Soil
250
_a
1st
260
_a
NEW YORK
_b
MCGRAW-HILL BOOK COM.
_c
1937
300
_a
312
700
_a
_a
999
_c
38653
_d
38653