Source:Denny-estate-plan
From Pittsburgh Streets
"Plan showing the property of the Denny estate in the 5th, 7th and 8th Ward's Pittsburgh: Made from surveys of R. E. McGowin, C. M'Gowin and Z. W. Remington by Wm. F. Aull, civil engr and draughtsman." Laid out Mar. 1, 1879; recorded Aug. 1, 1879, Plan Book 6, pp. 178–179. Allegheny County Recorder of Deeds 3779403.
