Source:Hopkins-1907-allegheny-1
From Pittsburgh Streets
Real Estate Plat-Book of the City of Allegheny, vol. 1. G. M. Hopkins & Co., Philadelphia, 1907. http://historicpittsburgh.org/maps-hopkins/1907-volume-1-plat-book-allegheny; included in the 1903–1906 layer at PGH Historic Maps and Imagery (https://pittsburghpa.maps.arcgis.com/apps/instant/basic/index.html?appid=25ed595c7bde40cdae7165261a9a3ad6).
