Source:Swearingen-plan
From Pittsburgh Streets
"Swearingen's plan of lots, situated in Lower St. Clair Tp. Allegheny Co." Laid out June 1887; recorded June 1887. https://www.familysearch.org/ark:/61903/3:1:3QSQ-G991-MN9K. Proceedings in the Estate of Christian Ihmsen, deceased, no. 362, June Term, 1887, Orphans' Court of Allegheny County, Orphans' Court Docket 67, p. 286.
