000 00311 am a2200121 a 4500
100 1 _aVan, W.R.
245 1 _aAgri-file high producing cows
260 _aArizona
_c1973
300 _a1-2 p.
942 _2udc
_cB
440 _aCows Arizona Cooperative Extension Service. Garden Guides No. Q-70
901 _aS55584
999 _c113971
_d113971