Acquisition NoteDownloaded from the Hoover Dam Bypass Project web on March 5, 2012 (http://www.hooverdambypass.org/Informational_Material.htm ).Date Digitized1997-12Digital FormatPDFFile Size85 KB
United States. Federal Highway Administration, Hoover Dam bypass update: December 1997. Arizona Memory Project, accessed 25/09/2023, https://azmemory.azlibrary.gov/nodes/view/39874