1884. 2008-07-31T14:35:20Z. 2018-10-03T21:33:15Z. Lee, Alex. Y., cartographer. Published by Otto Krebs, No. 6 Sixth Ave. English. cartographic image. Public. Allegheny County (Pa.), Pennsylvania, and Allegheny County.
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1920. 2002-06-01T04:00:00Z. 2018-05-30T15:27:15Z. Mueller, A. H. (August H.), cartographer. Published by A.H. Mueller. English. cartographic image. Public. Allegheny County (Pa.), Pennsylvania, and Allegheny County.