- 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, 2024
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. "Ashokan Reservoir. View of Olive Bridge dam under construction. Note cyclopean masonry in body of dam and concrete blocks on face. Contract 3. September 21, 1909." The New York Public Library Digital Collections. 1918. https://qa-digitalcollections.nypl.org/items/510d47da-dd29-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. "Ashokan Reservoir. View of Olive Bridge dam under construction. Note cyclopean masonry in body of dam and concrete blocks on face. Contract 3. September 21, 1909." New York Public Library Digital Collections. Accessed November 23, 2024. https://qa-digitalcollections.nypl.org/items/510d47da-dd29-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. (1918). Ashokan Reservoir. View of Olive Bridge dam under construction. Note cyclopean masonry in body of dam and concrete blocks on face. Contract 3. September 21, 1909. Retrieved from https://qa-digitalcollections.nypl.org/items/510d47da-dd29-a3d9-e040-e00a18064a99
<ref name=NYPL>{{cite web | url=https://qa-digitalcollections.nypl.org/items/510d47da-dd29-a3d9-e040-e00a18064a99 | title=
(still image)
Ashokan Reservoir. View of Olive Bridge dam under construction. Note cyclopean masonry in body of dam and concrete blocks on face. Contract 3. September 21, 1909., (1918)|author=Digital Collections, The New York Public Library |accessdate=November 23, 2024 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>