Photograph of a photograph in possession of Rock Island Arsenal Historical Office. INTERIOR FLAT-SLAB CONSTRUCTION IN UNALTERED CONDITION. DATED AUGUST 23, 1918. - Rock Island Arsenal, Building No. 220, Rodman Avenue between Flager and Gronen Streets, Rock Island, Rock Island County, IL; Stone and Webster Company of Boston

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Size: 5581px × 4479px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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