000			003180000a22001450004500
060			_a100
082			_a631.4 SOI
100			_aUSDA
245			_aSoil survey Manual
260			_aU S, Dept. of Agriculture
260			_c1966
300			_a502
650			_aSoil survey/ soil science/ soil reaction
942			_cBK
999			_c204731 _d204731