Photo 1 by unknown (May 23, 1911).
Photo 2 by unknown (July 19, 1911).
Photo 3 by unknown (Sept. 11, 1911).
Photo 4 Google Earth street view (July 2011).
Photo 5 Google Earth street view (Aug. 2013).
In Photo 3 there is an 'Our Boys' Chewing Tobacco sign to the left of the Mail Pouch sign. A web-search was unable to locate any additional information about this chewing tobacco brand.
Photo 1 is taken from Second Avenue and are looking under the B & O Rail Road Bridge. This bridge, which is upgraded in Photo 4 is now the pathway for the Three Rivers Heritage Trail.
Approximate GPS coordinates:
N 40° 25.90' W -79° 57.55'