Jones and Laughlin steel mills, Pittsburgh, Pa. Date between 1900 and 1915 Notes Videodisc images are out of sequence; actual left to right order is 1A-10414, 10413, 10412, 10411, 10410. G 8152 L, G 8153 LC, G 8154 C, G 8155 RC and G 8156 R on left to right negatives respectively. Detroit Publishing Co. no. 015679. Gift; State Historical Society of Colorado; 1949. Subjects Smokestacks Steel industry Industrial facilities United States--Pennsylvania--Pittsburgh Pennsylvania--Pittsburgh;

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