Source:Zimmerman-park-plan
From Pittsburgh Streets
"Zimmerman Park plan of lots, West Liberty Boro." Laid out Feb. 1890; recorded Oct. 22, 1890, Plan Book 11, pp. 22–23. Allegheny County Recorder of Deeds 3780434.
"Zimmerman Park plan of lots, West Liberty Boro." Laid out Feb. 1890; recorded Oct. 22, 1890, Plan Book 11, pp. 22–23. Allegheny County Recorder of Deeds 3780434.
