Search results

Date

Subject

• Pennsylvania (2126) + -
• Waterworks (1887) + -
• Pittsburgh (1772) + -
• Pittsburgh. (1758) + -
• Design and construction. (1589) + -
• Blue collar workers (830) + -
• Pumping stations (651) + -
• Rivers (424) + -
• Allegheny River (Pa. and N.Y.). (411) + -
• Dwellings (231) + -

• Cofferdams (183) + -
• Streets (173) + -
• Maintenance and repair. (163) + -
• Machinery. (154) + -
• Floods (135) + -
• Railroad bridges (93) + -
• Pipelines (88) + -
• Machinery (74) + -
• Retaining walls (72) + -
• Reservoirs (61) + -
• Bridges (59) + -
• Railroad tracks (52) + -
• Arbor Street (Pittsburgh, Pa.). (46) + -
• Subsidences (Earth movements) (42) + -
• Horse-drawn vehicles (40) + -
• Landscape (37) + -
• Railroad trains (30) + -
• Flood damage (29) + -
• Larimer (Pittsburgh, Pa.). (29) + -
• Steam shovels (27) + -
• Washington Boulevard (Pittsburgh, Pa.). (23) + -
• Allegheny River (N.Y. and Pa.). (21) + -
• Railroads (21) + -
• Stables (20) + -
• Embankments (18) + -
• Dams (17) + -
• Concrete mixers (16) + -
• Hospitals (16) + -
• Freeport Road (Allegheny County, Pa.). (15) + -
• Larimer Avenue Bridge (Pittsburgh, Pa.). (15) + -
• Buildings (14) + -
• Point View Street (Pittsburgh, Pa.). (14) + -
• Lincoln Avenue (Pittsburgh, Pa.). (13) + -
• Verona Boulevard (Pittsburgh, Pa.). (13) + -
• Lemington Avenue (Pittsburgh, Pa.). (12) + -
• Tuberculosis Hospital (Pittsburgh, Pa.). (12) + -
• Filters and filtration (11) + -
• Steam locomotives (11) + -
• Street lighting (10) + -

Location

• Lincoln-Lemington-Belmar (2084) + -
• Larimer (28) + -
• Pittsburgh (5) + -
• Lincoln-Lemington-Belmar (Pittsburgh, Pa.) (2) + -
• Allegheny River (1) + -
• East Liberty (1) + -
• Lincoln- Lemington-Belmar (1) + -
• Lincoln-Lemington Belmar (1) + -