Subjects Urban Development

Map of Philadelphia showing Population in year 1920

Map of Philadelphia showing Population in year 1920

Front and Market, 1881

Front St. and Market St., 1881

View of Fairmount Water Works, ca. 1827

Pegg's Run

Pegg’s Run, Northern Liberties (Watson’s Annals)

Dock Creek Watson's Annals

Drawbridge and Dock Creek, Watson’s Annals

City officials tour new interceptor sewer, 1953

New Lutheran Church, Fourth Street, 1799-1800

New Lutheran Church in Fourth Street, Philadelphia