Logan Square: Logan Square, 10th ward. Plan (graphite) based on boulevard plan January 11 1892. [ID: 12B-571; PWD ERV: 1075969; Drawing No.: unknown]. [1 sheet], 1892 January 11, Drawer: F20, Folder: 2.1. Philadelphia Water Department 12B - Drawings Donation, FP.2019.002. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/4875 Accessed April 20, 2025.