000			00364nam a2200133Ia 4500
008			130225s9999 xx 000 0 und d
100			_aMathews, O.R.
245			_aPlace of summer fallow in the agriculture of the western states
260			_aWashington _c1951
300			_a1-17 p.
440			_aUnited States Department of A
901			_a37035
942			_cB _2udc
999			_c6799 _d6799