Visionary planning report for Philadelphia region, 1928
Panoramic Manayunk: Views Past and Present
Watersheds: Learning to care for and protect our local water resources
James W. Phillips Letter Book, 1904-1913
Schuylkill Navigation Company Scrapbook
Dauphin and Sydenham car crash, Jan. 17, 1978
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Still photo from a video sewer inspection, 2000
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830
