000 00390nam a2200133Ia 4500
008 140317s9999 xx 000 0 und d
082 _a620.2
100 _aUnited States, Dept. of Agri.
245 _aEngineering handbook for soil conservationists in the corn belt. (2 Copies)
260 _aUnited State
_bDept. of Agri.
_c1966
300 _a13-Dec
650 _aEngineering
942 _2ddc
_cBK
999 _c243
_d243