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A report of on benefit-ratio analyses of various possible locations for the interstate highway system in the vicinity of Flagstaff, Arizona
Arizona State Highway Department, Planning Survey Division, A report of on benefit-ratio analyses of various possible locations for the interstate highway system in the vicinity of Flagstaff, Arizona. Arizona Memory Project, accessed 13/09/2024, https://azmemory.azlibrary.gov/nodes/view/320704