Topics Infrastructure

Pen and ink drawing of the proposed Delaware Seventh Street Sewer

Plan and profile of proposed Delaware Seventh St. Sewer, 1850

1830 plan for the Pine Street Sewer

Plan of Pine Street Sewer, 1830

69th St. Sewer and Culvert across Lansdowne

69th St. Sewer and Culvert across Lansdowne AVe.

Sewage collection and disposal plan

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912