- 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/b4544c90-a22e-0135-a1f0-575da084188a
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 26, 2026. https://old-digitalcollections.nypl.org/items/b4544c90-a22e-0135-a1f0-575da084188a
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/b4544c90-a22e-0135-a1f0-575da084188a
<ref name=NYPL>{{cite web | url=https://old-digitalcollections.nypl.org/items/b4544c90-a22e-0135-a1f0-575da084188a | title=
(cartographic)
Profile of grades of the Iowa railroads, (1881)
|author=Digital Collections, The New York Public Library |accessdate=September 26, 2026 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>