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Date: 2006-01-30 13:01:12Interstate 35 Geography of the United States United States Des Moines metropolitan area Des Moines Iowa Iowa | The Interstate at 50 DOUG HEINS, P.E. Survey Party Chief - I-35 Building roadways 50 years ago was vastly different than our modern methods. Funding for the system was approved in late 1956 and grading in Iowa began in tAdd to Reading ListSource URL: www.iowadot.govDownload Document from Source WebsiteFile Size: 1,42 MBShare Document on Facebook |