Source:Beers
From Pittsburgh Streets
S. N. & F. W. Beers. Map of Allegheny Co., Pennsylvania. Smith, Gallup & Hewitt, Philadelphia, 1862. LCCN 2012592151; https://collections.lib.uwm.edu/digital/collection/agdm/id/31783; 1862 layer at Pittsburgh Historic Maps (https://esriurl.com/pittsburgh).