Time Periods 1900-1910

Belmont Filters construction 1903

Belmont Filters construction, 1903

Finished Upper Roxborough filters, 1903

Finished Upper Roxborough filters, 1903

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

A.C. Abbott, MD

A.C. Abbott, MD

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough