Source:Blackadore-place-plan-east
From Pittsburgh Streets
"Blackadore Place plan of lots: Penn & Sterrett Twp's. Ally. Co. Pa.: Laid out for John Blackadore." Laid out May 1901; recorded Oct. 21, 1901, Plan Book 19, p. 57. Allegheny County Recorder of Deeds 3781780.
