The U.S. Army Corps of Engineers, Los Angeles District notified Ms. Julianne Polanco, the State Historic Preservation Officer, of the California Office of Historic Preservation by letter on June 6, 2017, that it has made a draft determination that the Bicentennial-themed mural on the Prado Dam spillway in Riverside County, California, does not meet the criteria for listing on the National Register of Historic Places. The Corps reached this conclusion after evaluating input received from consulting parties.