7. Water Works Intrp_premliminary [3 pdf’s of images for Water Works historic signs by Fairmount Park Water Works Interpretive ], 2009 October 8, Drawer: 3-1, Box: 6, Disk: 7. Compact Disk Collection, FP.2016.005. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/1536 Accessed October 30, 2025.