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DIRECTORY OF PIG IRON FURNACES IN BLAST IN PENNSYLVANIA IN 1902-Continued.

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DIRECTORY OF STEEL MILLS AND ROLLING MILLS IN OPERATION IN PENNSYLVANIA IN 1902.

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DIRECTORY OF STEEL MILLS AND ROLLING MILLS IN OPERATION IN PENNSYLVANIA IN 1902—Continued.

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Pittsburg,

Milesburg,

Conshohocken.
Harrisburg.

Coatesville.
Pittsburg.
Milesburg.

DIRECTORY OF STEEL MILLS AND ROLLING MILLS IN OPERATION IN PENNSYLVANIA IN 1902-Continued.

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