- 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, 2026
The New York Public Library is a 501(c)(3) | EIN 13-1887440
Photographs of the construction of the Holland Tunnel, 1919-1927
General Research Division, The New York Public Library. "Caisson top about 16 inches above surface. Cast iron weights N. E. corner. Slight fissures showing at left side. Spring Street, July 14, 1921." The New York Public Library Digital Collections. 1921. https://old-digitalcollections.nypl.org/items/510d47da-dc3c-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. "Caisson top about 16 inches above surface. Cast iron weights N. E. corner. Slight fissures showing at left side. Spring Street, July 14, 1921." New York Public Library Digital Collections. Accessed October 3, 2026. https://old-digitalcollections.nypl.org/items/510d47da-dc3c-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. (1921). Caisson top about 16 inches above surface. Cast iron weights N. E. corner. Slight fissures showing at left side. Spring Street, July 14, 1921. Retrieved from https://old-digitalcollections.nypl.org/items/510d47da-dc3c-a3d9-e040-e00a18064a99
<ref name=NYPL>{{cite web | url=https://old-digitalcollections.nypl.org/items/510d47da-dc3c-a3d9-e040-e00a18064a99 | title=
(still image)
Caisson top about 16 inches above surface. Cast iron weights N. E. corner. Slight fissures showing at left side. Spring Street, July 14, 1921., (1921)|author=Digital Collections, The New York Public Library |accessdate=October 3, 2026 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>