![Thomas Mill Covered Bridge on the Wissahickon](https://waterhistoryphl.org/wp-content/uploads/Wissahickon_CoveredBr_PictAm_AEL-scaled.jpg?w=300)
![Thomas Mill Covered Bridge on the Wissahickon](https://waterhistoryphl.org/wp-content/uploads/Wissahickon_CoveredBr_PictAm_AEL-scaled.jpg?w=300)
![Mill Creek Sewer under construction. Several men standing beside a giant partially constructed sewer pipe.](https://waterhistoryphl.org/wp-content/uploads/Mill-Creek-Sewer_20040920079_300dpi.jpg?w=300)
Mill Creek Sewer under construction, 1883
![Black and white photo showing a wooden truss bridge over a creek](https://waterhistoryphl.org/wp-content/uploads/20040330240.jpg?w=300)
Wood truss drawbridge, Orthodox Street over Frankford Creek, rebuilt 1899
![Black and white photo of square archways over a bridge](https://waterhistoryphl.org/wp-content/uploads/20040330130.jpg?w=300)
Bridge Street Draw, view through bridge, July 26, 1897
![Black and white photo of a low bridge over a creek](https://waterhistoryphl.org/wp-content/uploads/20040330127.jpg?w=300)
Bridge Street Draw, July 26, 1897
![Black and white photo of a man checking his watch in front of a creek with construction around it](https://waterhistoryphl.org/wp-content/uploads/20040330116.jpg?w=300)
Bridge Street Draw looking north, ca. 1896
![](https://waterhistoryphl.org/wp-content/uploads/20040330113.jpg?w=300)
Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail].
![](https://waterhistoryphl.org/wp-content/uploads/20040330110.jpg?w=300)
Bridge Street Draw, April 19, 1896. [Detail of men]
![](https://waterhistoryphl.org/wp-content/uploads/20040330109.jpg?w=300)
Bridge Street Draw. View of old draw removed, looking north. April 19, 1896. [Detail]
![](https://waterhistoryphl.org/wp-content/uploads/20040330104.jpg?w=300)
Bridge Street Draw. General view of old draw, ca 1896
![Belmont Works Engine House](https://waterhistoryphl.org/wp-content/uploads/2004.057.0074.001-1-scaled.jpg?w=300)
Engine House of the Belmont Works
![Sewage collection and disposal plan](https://waterhistoryphl.org/wp-content/uploads/2008.001.0055_edit-scaled.jpg?w=300)