CAPTION: Seal of the City of Allegheny. NOTES: The seal was the "brain child"(34) of Allegheny's first mayor, General William Robinson, Jr. whose earliest home had been a log cabin and whose father had operated "a ferry from Allegheny to Pittsburgh near the site of the present Sixth Street Bridge."(35) PHOTOGRAPHER: DATE: HEADING: Pittsburgh. Allegheny, PA. Seal and Flag. (Vertical File). #: