U.S. 71 Dickinson County from Milford North to Iowa 9 in Spirit Lake Iowa. Department of Transportation. Office of Project Planning Published: 1978 Total Pages: 198 Get eBook
A Pre-location Study of the U.S. 71 and Iowa 86 Corridors, Clay and Dickinson Counties Iowa. Department of Transportation. Office of Project Planning Published: 1987 Total Pages: 98 Get eBook