000			00338nam a2200133Ia 4500
008			130223s9999 xx 000 0 und d
245			_aTechnical bulletins nos. 576-600 with contents
260			_aWashington
260			_c1938
300			_a1-12 p.
440			_aUnited States Department of Ag
901			_pS50267
942			_cB _2udc
999			_c135326 _d135326