000 00329nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aBackground on our nation's agriculture
260 _aWashigton
260 _c1961
300 _a1-2 : p.
440 _aUnited States Department of Ag
901 _pS2599
942 _cB
_2udc
999 _c116427
_d116427