Place: Iowa / Creator: Iowa. Highway Commission / Provider: University of Minnesota - GeoBlacklight Search Results

Start Over Place Iowa Creator Iowa. Highway Commission Provider University of Minnesota

1. Map of Iowa primary road system : work completed or under contract Dec. 1, 1922

1923. Iowa. Highway Commission. Shows roads in various states of construction: paved, gravel, graded, or not yet built.; Road mileage: Primary roads - 6,615 miles. Secondary roads... Iowa Highway Commission (Place of publication not identified).

2. Primary road system : State of Iowa

1923. Iowa. Highway Commission. Condition January 1, 1923. 57 x 88 centimeters Scale [approximately 1:633,000] 10 miles to 1 inch General Map Collection. Iowa Highway Commission (Ames, Iowa).