Vernon Park: Vernon Park. Plan for granolithic curb, water supply, etc. at Vernon Park, 22nd ward. Department of Public Works, Bureau of Surveys. [ID: 12B-575; PWD ERV: 1075966; Drawing No.: 6958], c. 1890, Drawer: N10, Folder: 5.1. Philadelphia Water Department 12B - Drawings Donation, FP.2019.002. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/4878 Accessed April 20, 2025.