1960. Iowa. Department of Transportation. color maps.
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1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1960. Iowa. Department of Transportation. color maps.
1838. Ensign, T., active 1838-1840, publisher, Hammond, John T., approximately 1820-, and Phelps, Humphrey,active 19th century,publisher. Counties shown in colors. Prime meridian : [Washington]. 'Entered according to act of Congress in the year 1836 by Humphrey Phelps & Bela S. Squire... Humphrey Phelps & T. Ensign,.