- 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
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Profile of grades of the Iowa railroads" The New York Public Library Digital Collections. 1881. https://old-digitalcollections.nypl.org/items/b474ff30-a22e-0135-dd01-179312142ea4
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Profile of grades of the Iowa railroads" New York Public Library Digital Collections. Accessed September 27, 2026. https://old-digitalcollections.nypl.org/items/b474ff30-a22e-0135-dd01-179312142ea4
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. (1881). Profile of grades of the Iowa railroads Retrieved from https://old-digitalcollections.nypl.org/items/b474ff30-a22e-0135-dd01-179312142ea4
<ref name=NYPL>{{cite web | url=https://old-digitalcollections.nypl.org/items/b474ff30-a22e-0135-dd01-179312142ea4 | title=
(cartographic)
Profile of grades of the Iowa railroads, (1881)
|author=Digital Collections, The New York Public Library |accessdate=September 27, 2026 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>