Legal reference: Fourth Annual Message of Charles F. Warwick, Mayor of the City of Philadelphia with Annual Reports of the Department of Public Works. vol III. 1898-1899. Dunplap Printing Co. Philadelphia. Includes Delaware River bulkead and pier construction, Fairmount Dam pumping and stream flow diagrams [detached boards], 1899, Shelf: 2. Books and Bound Manuscripts, FP.2016.004. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/13681 Accessed April 20, 2025.