1930. Iowa. State Planning Board. Recreation & Historic Division. 1 map ; black line; 53 x 86 cm Oriented with north to the right. Iowa. State Planning Board.
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1930. Iowa. State Planning Board. Recreation & Historic Division. 1 map ; black line; 53 x 86 cm Oriented with north to the right. Iowa. State Planning Board.
1930. Iowa. State Planning Board. Recreation & Historic Division. 1 map ; black line; 53 x 86 cm Oriented with north to the right.; Relief shown by contours ; contour interval 50 ft. Iowa. State Planning Board.
1930. 1 map ; black line; 53 x 86 cm Oriented with north to the right.; Prepared by Iowa State Planning Board?. Iowa. State Planning Board.