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391. Dickinson County, Iowa, 1968, aerial photomosaic index

Imagery University Of Iowa Public content
1960. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.

392. Dickinson County, Iowa, 1968, aerial photomosaic index

Imagery University Of Iowa Public content
1960. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.

393. Dickinson County, Iowa, 1972, aerial photomosaic index

Imagery University Of Iowa Public content
1970. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Soil Conservation Service.

394. Dickinson County, Iowa, 1978, aerial photomosaic index

Imagery University Of Iowa Public content
1970. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.

395. Distribution of Iowa population, 1930

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Population Social Trends. 1 map black line ; 83 x 116 cm Negative. "Iowa state plan." "Project no. 1048.". Iowa. State Planning Board.

396. Distribution of urban population

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Population & Social Trends. 1 map black line ; 72 x 110 cm Iowa state plan. "Project no. 1048.". Iowa. State Planning Board.

397. Drainage Atlas of Palo Alto County, Iowa, 1919

Maps University Of Iowa Public content
1919. (R. H. Fuller, 1919, Drainage Atlas of Palo Alto County, Iowa); 1 atlas: b&w.; 41 X 38 cm. Material in the public domain. No restrictions on use. S... R. H. Fuller.

398. Drainage basins areas drained by principal Iowa rivers

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Water Flow & Supply & Stream Pollution. 1 map black line ; 83 x 114 cm Iowa state plan. "Project 1044." "1044-1.". Iowa. State Planning Board.

399. Dubuque

Maps University Of Iowa Public content
1904. Huebinger, M. (Melchior). Iowa Publishing Co.

400. Dubuque County, Iowa, 1937, aerial photomosaic index

Imagery University Of Iowa Public content
1930. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.