- The Library Shop
- Privacy Policy
- Rules and Regulations
- Using the Internet
- Website Terms and Conditions
- Gifts of Materials to NYPL
-
© The New York Public Library, 2025
The New York Public Library is a 501(c)(3) | EIN 13-1887440
Photographs of the Catskill water supply system in process of construction
General Research Division, The New York Public Library. "Catskill Aqueduct Headworks. Placing concrete forms for connections between Lower Pressure aqueduct and 48-inch control valves. Intake castings from Upper Pressure aqueduct to 48-control valve at left. Contract 10. May 6, 1913." The New York Public Library Digital Collections. 1918. https://digitalcollections.nypl.org/items/510d47da-dd46-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. "Catskill Aqueduct Headworks. Placing concrete forms for connections between Lower Pressure aqueduct and 48-inch control valves. Intake castings from Upper Pressure aqueduct to 48-control valve at left. Contract 10. May 6, 1913." New York Public Library Digital Collections. Accessed January 28, 2025. https://digitalcollections.nypl.org/items/510d47da-dd46-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. (1918). Catskill Aqueduct Headworks. Placing concrete forms for connections between Lower Pressure aqueduct and 48-inch control valves. Intake castings from Upper Pressure aqueduct to 48-control valve at left. Contract 10. May 6, 1913. Retrieved from https://digitalcollections.nypl.org/items/510d47da-dd46-a3d9-e040-e00a18064a99
<ref name=NYPL>{{cite web | url=https://digitalcollections.nypl.org/items/510d47da-dd46-a3d9-e040-e00a18064a99 | title=
(still image)
Catskill Aqueduct Headworks. Placing concrete forms for connections between Lower Pressure aqueduct and 48-inch control valves. Intake castings from Upper Pressure aqueduct to 48-control valve at left. Contract 10. May 6, 1913., (1918)|author=Digital Collections, The New York Public Library |accessdate=January 28, 2025 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>