


Thomas Run sewer outlet during construction

Frankford Creek: Sad History of an Urban Stream title page

Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907

State Street pipeline construction, 1904

Belmont Filters construction, 1903

Finished Upper Roxborough filters, 1903

Upper Roxborough filter beds under construction, July 1902

Commencement of laying the main on the East side of the River, 1871
