Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "New Jersey, 15 minute series (topographic)" The New York Public Library Digital Collections. 1880 - 1890. http://digitalcollections.nypl.org/items/be654c40-c5a6-012f-7a90-58d385a7bc34
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "New Jersey, 15 minute series (topographic)" New York Public Library Digital Collections. Accessed May 19, 2019. http://digitalcollections.nypl.org/items/be654c40-c5a6-012f-7a90-58d385a7bc34
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. (1880 - 1890). New Jersey, 15 minute series (topographic) Retrieved from http://digitalcollections.nypl.org/items/be654c40-c5a6-012f-7a90-58d385a7bc34
<ref name=NYPL>{{cite web | url=http://digitalcollections.nypl.org/items/be654c40-c5a6-012f-7a90-58d385a7bc34 | title=
(cartographic)
New Jersey, 15 minute series (topographic), (1880 - 1890)
}}
|author=Digital Collections, The New York Public Library |accessdate=May 19, 2019 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}</ref>
![Map of the hydrographical basin of the upper Mississippi River [bottom left].](https://images.nypl.org/index.php?id=ps_map_cd4_47&t=b)
