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Civil engineering
Queensboro Tunnel.

Queensboro Tunnel.

Queensboro Tunnel.

Queensboro Tunnel.

Queensboro Tunnel.

Queensboro Tunnel.

Letter from Peter Jay Munro to John Jay, November 19, 1794

Letter from Peter Jay Munro to John Jay, November 19, 1794

West 145th Street [64th Street to 178th Street]

West 145th Street [64th Street to 178th Street]

West 145th Street [64th Street to 178th Street]

West 145th Street [64th Street to 178th Street]

West 145th Street [64th Street to 178th Street]

West 145th Street [64th Street to 178th Street]

West 59th Street [43rd Street to 60th Street]

West 59th Street [43rd Street to 60th Street]

Ring of H.R.V.I Ring of the Old Hudson to Manhattan Tunnel at Beth. Steel Co. [For 34 Years of Loyal Service - Eric S. Barron.]

Ring of H.R.V.I Ring of the Old Hudson to Manhattan Tunnel at Beth. Steel Co. [For 34 Years of Loyal Service - Eric S. Barron.]

[Street excavation.]

[Street excavation.]

Method of Laying Narrows Siphon [Catskill System.]

Method of Laying Narrows Siphon [Catskill System.]

Construction Plant for City Tunnel at Shaft 9, 150th Street and St. Nicholas Avenue [Catskill System.]

Construction Plant for City Tunnel at Shaft 9, 150th Street and St. Nicholas Avenue [Catskill System.]

Typical Pressure Tunnel Construction Shaft [Catskill System.]

Typical Pressure Tunnel Construction Shaft [Catskill System.]

By-Pass Aqueduct Around Kensico Reservoir 11 Feet in Diameter [Catskill System.]

By-Pass Aqueduct Around Kensico Reservoir 11 Feet in Diameter [Catskill System.]

Rondout Pressure Tunnel Showing Partial and Total Concrete Lining [Catskill System.]

Rondout Pressure Tunnel Showing Partial and Total Concrete Lining [Catskill System.]

Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]

Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]

Bonticou Grade Tunnel Portal and Bonticou Crag [Catskill System.]

Bonticou Grade Tunnel Portal and Bonticou Crag [Catskill System.]

New Croton Aqueduct - Cast-Iron Section Lining [Croton System.]

New Croton Aqueduct - Cast-Iron Section Lining [Croton System.]

New Croton Aqueduct - Typical Horseshoe Section in Open Cut [Croton System.]

New Croton Aqueduct - Typical Horseshoe Section in Open Cut [Croton System.]

World Trade Center: Outstanding Civil Engineering Achievement

World Trade Center: Outstanding Civil Engineering Achievement

250 West 54 St. New York City. Looking down from 12' Floor Window in Gallo Theatre Building at the junction of 8th Avenue and 54 St. and showing the disorderly condition of streets and neighborhood du

250 West 54 St. New York City. Looking down from 12' Floor Window in Gallo Theatre Building at the junction of 8th Avenue and 54 St. and showing the disorderly condition of streets and neighborhood du

132 St & Alex Ave Looking South

132 St & Alex Ave Looking South

2 Ave & 32 St Looking South

2 Ave & 32 St Looking South

Allen & Stanton Looking South

Allen & Stanton Looking South

54 St & 5 Ave Looking West

54 St & 5 Ave Looking West

Lincoln Ave & 138 St Looking North

Lincoln Ave & 138 St Looking North

54 St & Lex Ave Looking East

54 St & Lex Ave Looking East

2 Ave & 103 St Looking North

2 Ave & 103 St Looking North

2 Ave & 46 St Looking North

2 Ave & 46 St Looking North

Lincoln Ave & River

Lincoln Ave & River

Spring & W Bway Looking North

Spring & W Bway Looking North

Spring & W Bway Looking North

Spring & W Bway Looking North

Spring & W Bway Looking South

Spring & W Bway Looking South

Spring & W Bway Looking South

Spring & W Bway Looking South

Spring & W Bway Looking South

Spring & W Bway Looking South

Spring & Greenwich Looking East

Spring & Greenwich Looking East

2 Ave & 77 St Looking North

2 Ave & 77 St Looking North

2 Ave & 76 St Looking North

2 Ave & 76 St Looking North

[Excavation of an unidentified street.]

[Excavation of an unidentified street.]

74 St & P S Looking West

74 St & P S Looking West

54 St 2 & 3 Ave Looking West

54 St 2 & 3 Ave Looking West

2 Ave & 83 St Looking North

2 Ave & 83 St Looking North

2 Ave & 79 St Looking North

2 Ave & 79 St Looking North

2 Ave & 83 St Looking North

2 Ave & 83 St Looking North

2 Ave & 86 St Looking North

2 Ave & 86 St Looking North

2 Ave & 70 St Looking North

2 Ave & 70 St Looking North

2 Ave & 80 St Looking North

2 Ave & 80 St Looking North

2 Ave & 83 St Looking North

2 Ave & 83 St Looking North

2 Ave & 79 St Looking North

2 Ave & 79 St Looking North

2 Ave & 82 St Looking North

2 Ave & 82 St Looking North

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