Source:Springfield-farm-plan
From Pittsburgh Streets
"Plan of all that portion of the Springfield Farm north of the Penn'a. R. R. showing the property of the Denny Estate in the 12th, 15th and 16th Wards Pittsburgh." Laid out July 15, 1879; recorded Aug. 1, 1879, Plan Book 6, pp. 180–187. Allegheny County Recorder of Deeds 3779413.