Tunnel walk, Highland Park, Pittsburgh, Pa., Corresponding glass transparency (with same series code) available on videodisc frame 1A-30370., "G 2969" on negative., Detroit Publishing Co. no. 018665., Gift; State Historical Society of Colorado; 1949, Parks. , Tunnels. , United States, Pennsylvania, Pittsburgh.

---

Size: 2980px × 2348px
Photo credit: © piemags/LCB / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., parks., states--pennsylvania--pittsburgh., tunnels., united