Jones and Laughlin steel mills, Pittsburgh, Pa., 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, Smokestacks. , Steel industry. , Industrial facilities. , United States, Pennsylvania, Pittsburgh.

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Keywords: ., facilities., industrial, industry., smokestacks., steel, unit