- 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
The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library. "Erosion control, showing check dam and brush at the Pere Marquette recreational project, near Grafton, Illinois." The New York Public Library Digital Collections. 1936. https://old-digitalcollections.nypl.org/items/9c0ef270-c4dc-013e-4da9-0242ac110002
The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library. "Erosion control, showing check dam and brush at the Pere Marquette recreational project, near Grafton, Illinois." New York Public Library Digital Collections. Accessed September 15, 2026. https://old-digitalcollections.nypl.org/items/9c0ef270-c4dc-013e-4da9-0242ac110002
The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library. (1936). Erosion control, showing check dam and brush at the Pere Marquette recreational project, near Grafton, Illinois. Retrieved from https://old-digitalcollections.nypl.org/items/9c0ef270-c4dc-013e-4da9-0242ac110002
<ref name=NYPL>{{cite web | url=https://old-digitalcollections.nypl.org/items/9c0ef270-c4dc-013e-4da9-0242ac110002 | title=
(still image)
Erosion control, showing check dam and brush at the Pere Marquette recreational project, near Grafton, Illinois., (1936)|author=Digital Collections, The New York Public Library |accessdate=September 15, 2026 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>