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15. ROCKER BEARING SUPPORTING MOVABLE END OF TRUSS, INSTALLED 1937; SHOT ATOP PIER 7, FACING NORTHWEST. - Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, Allegheny County, PA
Content Provider | Library of Congress - Photographs |
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Spatial Coverage | Pennsylvania -- Allegheny County -- Port Perry |
File Format | JPG / JPEG |
Language | English |
Part of Series | Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey American Memory |
Requires | HTML5 supported browser |
Access Restriction | Open |
Content Type | Image |
Resource Type | Photograph |