000 00513nam a2200133Ia 45e0
008 140117n xxu |||gr||||Z||||||eng
082 _a631.45
100 _aUnited States Department of Agriculture,
_eAuthor.,
245 0 _aManual on Conservation of Soil and Waler
_cUnited States Department of Agriculture
_hTextual Documents
260 _aHarpenden:
_bMinistry of Agriculture.
300 _a734.
653 _aSoil and Waler
942 _2ddc
_cTXT
999 _c24526
_d24526