Source:Village-of-johnstown-addition-plan
From Pittsburgh Streets
"Plan of an addition to the Villiage [sic] of Johnstown: Laid out for Adolph Oberhelman Esq.: Situated in Union Township (now in the City of Pittsburgh) 35th Ward Allegheny County, Pennsylvania." Laid out Aug. 1, 1873; recorded Aug. 8, 1873, Plan Book 5, pp. 198–199. Allegheny County Recorder of Deeds 3779171.
