Iowa's Historic Automobile Roads: A National Register Study of Pre-1948 Arterial Highways Prepared for Primary Roads Project NHS-61-4(55)--19-70, Muscatine, Iowa

This book explains Iowa's historic roads. This book also explains the archaeological sites along Iowa's roads (publications.iowa.gov). Resource can be used with the following standards to further develop lessons: 4th grade SS 4.25 Technological Change.