This primary source comes from the Records of the Office of the Chief of Engineers.
Full Citation: United States Showing Navigable Streams and Canals; 1906; United States; Civil Works Map File, 1818 - 1947; Records of the Office of the Chief of Engineers, Record Group 77; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/documents/document/united-states-showing-navigable-streams-and-canals, May 9, 2024]