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HAER Coraopolis pv. HAER PA CORA Photographer Views Robert Shelley Spero Company April PA EAST ELEVATION OBLIQUE VIEW FROM SOUTHEAST Coraopolis Bridge image from Coraopolis side showing part of pony truss and main spans retrieved from Historic American Engineering Record en Kurpfalzbilder de CommonsHelper Lar en HABS PDUSGovInteriorHABS