Keywords: Walnut Lane Bridge (cropped).jpg en Walnut Lane Bridge Spanning Wissahickon Creek Philadelphia Pennsylvania West Elevation Looking East from South Bank of Wissahickon Creek Historic American Engineering Record http //memory loc gov/pnp/habshaer/pa/pa3600/pa3675/photos/361615pv jpg Helen P Ross HAER 1998-08 Walnut Lane Bridge Wissahickon Creek PD-USGov |