000 00313nam a2200133Ia 4500
008 160316s1937 xxu||||| |||| 00| 0 eng d
020 _a
100 _aA.F. Gustafson
245 _aConservation Of The Soil
250 _a1st
260 _aNEW YORK
_bMcGRAW-HILL BOOK COMPANY
_c1937
300 _a311
700 _a
_a
999 _c35341
_d35341