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391. Diagram of the Lead-Bearing Crevices near Dubuque, Iowa, 1858

Maps University Of Iowa Public content
1858. Iowa Geological Survey. 4 inches = 1 mile Material in the public domain. No restrictions on use. Office of the State Archaeologist. University of Iowa University of Iowa. ... L.H. Bradford & Co.

393. Dickinson County, Iowa, 1939, aerial photomosaic index

Imagery University Of Iowa Public content
1930. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.

394. Dickinson County, Iowa, 1949, aerial photomosaic index

Imagery University Of Iowa Public content
1940. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Department of Agriculture. Production and Marketing Administration.

395. Dickinson County, Iowa, 1954, aerial photomosaic index

Imagery University Of Iowa Public content
1950. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Commodity Stabilization Service.

396. Dickinson County, Iowa, 1962, 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.

397. 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.

398. 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.

399. 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.

400. 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.