Plans for Fingerspan: Site plan, bridge 'A' plan, elevations and sections (S-1); Site plan, bridge 'A' plan, elevations and sections (Not for construction) (S-1) bridge 'B' plan, elevation and section, details (S-2); elevation and section, details (Not for construction) (S-2). [4 sheets], 1987 February 1, Drawer: W13 and W14, Folder: 3. Wissahickon Valley Park Maps, Plans and Drawings, FP.2011.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/49528 Accessed April 20, 2025.