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Saturday, May 9, 2020

Railway Bridge Over Thirtieth Street - Philadelphia U.S.A., Mr. Joseph M Wison, Engineer


Plate LXXXI Railway Bridge Over Thirtieth Street - Philadelphia U.S.A., Mr. Joseph M Wison, Engineer

http://digital.lib.lehigh.edu/cdm4/bridges_viewer.php?ptr=3510&view=co


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