Keywords: postcard postcards steel steel factories steelfactories steel factory steelfactory harry h. hamm harryhhamm erie, p.a. series eriepaseries youngstown youngstown, ohio youngstownohio ohio factories factory carnegie steel carnegiesteel carnegie steel works carnegiesteelworks divided back era dividedbackera date unknown dateunknown unknown date unknowndate outdoor Description on front of card: Carnegie Steel Works (Ohio Works) Youngstown, Ohio Part of the Erie, Pa. Series Publisher: Harry H. Hamm Unused. Publisher Details: Harry H. Hamm published view-cards of the Great Lakes region from 1907-1923. Description on front of card: Carnegie Steel Works (Ohio Works) Youngstown, Ohio Part of the Erie, Pa. Series Publisher: Harry H. Hamm Unused. Publisher Details: Harry H. Hamm published view-cards of the Great Lakes region from 1907-1923. |