Yarnell Hill, the thrill will be gone Author M.Lincoln Article Date June 6, 1971 Journal Title Arizona
The Hassayampa Trail is calling you Author G. M. Sparkes Article Date July 1928 Journal Title Prog Ariz
State scenic highway approved Article Date 1961 Article Abstract Thirty-mile strip between Florence and Oracle Junction approved for preservation as scenic parkway Journal Title Ariz Architect
89 the highway of international grandeur Author C. F. Parker and J. S. Humburg Article Date March 1957 Journal Title Ariz Hwys