Frankford Creek Watershed Historical Timeline
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
Sewer Demand Taken to City Hall, 7/25/32
Images and documents that cover the politics surrounding Philadelphia's water system and its development, including editorial cartoons, etchings, 19th Century PWD Annual Reports, and hundreds of newspaper clippings.