Down Under, Part 2: Beaver Creek as it appears today
Bottled vs. Tap in 1906
Song of the Sewer (1954)
Stormwater Songs by John and Jan Haigis
Cobbs Creek in the Days of the Old Powder Mill
A Tour of Philadelphia’s Delaware River Waterfront in 1876
1826 Report of the Committee of Delaware County on the subject of Manufactories, Unimproved Mill Seats, etc. in said county.
1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
Drought and the Gardener
Kensington Water Supply in 1883