ArchivalMaterials
Finding aid
Great bridge over the Monongahela--train of molten iron approaching Steel Works. 13110 interpositive 1907.
Pacific Coast Borax Company, San Francisco, California
Berlin Construction Company, Berlin, Connecticut
Frank Masters
Philadelphia -- Upper Bank
U.S. Steel Corporation Photograph Albums
Roebling Scrapbook, 1975 October
"Iron workers' lunch hour"