000			00339nam a2200133Ia 4500
008			130225s9999 xx 000 0 und d
100			_aMarsh, A.W.
245			_aImproving irrigation in eastern Oregon
260			_aCorvallis _c1956
300			_a0.916666667
440			_aNo. 558; Oregon Agricultural
901			_a50928
942			_cB _2udc
999			_c9034 _d9034