CITIZENS’ BUSINESS: 1939-1946
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
Manayunk and the Schuylkill Navigation
State of the Schuylkill River in 1876: Sewage pollution and possible remedies
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
Outhouse over the Schuylkill near Pottstown