Year: 1930 / Publisher: The Bureau / Provider: University of Iowa - GeoBlacklight Search Results

Start Over Year 1930 Publisher The Bureau Provider University of Iowa

1. Iowa transportation map: Highways, railroads canals, air lanes, and dredged channels, 1938

1930. United States. Bureau of Public Roads. 1 map in 8 sections Scale 1:250,000. Approximately 1 inch to 4 miles Modified polyconic projection W 96°37′--W 90°07′/N 43°30′--N 40°07′. The Bureau.

2. The Federal Aid Highway System progress map: Eastern Iowa and Western Iowa, 1934

1930. United States. Bureau of Public Roads. 1 map on 2 sheets. The Bureau.

3. The Federal Aid Highway System progress map: Eastern Iowa and Western Iowa, 1935

1930. United States. Bureau of Public Roads. 1 map on 2 sheets. The Bureau.