000			00277nam a2200121Ia 4500
100			_aColby, C.C.
942			_cBK
245			_aInvestigations in industries & resources.
260			_aBoston _bGinn and co _c1941
082			_a910.133 _bCol
300			_a179
546			_aEnglish
999			_c331876 _d331876
041			_aeng