"Wm. Porters plan of lots in the 7th Ward Pittsburgh being a subdivision of lots 1–2 & 3 and a part of the Wilson Farm in A. C. Reeds third plan of out lots." Laid out Jan. 31, 1851; recorded Jan. 31, 1851, Plan Book 2, p. 40. Allegheny County Recorder of Deeds 3778280.
