Source:John-mcdonald-plan

From Pittsburgh Streets

"Plan of out lots nos. 37 & 38: Situated in the Borough of Allegheny, Ross Township: Sub-divided into town lots by John McDonald, March 24, 1830." Laid out Mar. 24, 1830; recorded in Plan Book 1, p. 9. Allegheny County Recorder of Deeds 3778140.