000 00404nam a2200157Ia 4500
008 130223s9999 xx 000 0 und d
080 _a631.1:338.1
100 _aRogers, R.O., Barton, G.T.
245 _aOur farm production potential, 1975
260 _aWashington
260 _c1960
300 _a14 p.
440 _aUnited States Department of Agriculture
901 _pS2261
942 _cB
_2udc
999 _c129002
_d129002