1960. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Commodity Stabilization Service.
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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.
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.
1930. Iowa. State Planning Board. Water Resources Committee. 1 map black line, hand colored ; 83 x 114 cm W.P.A. project no. 962. "Iowa state plan.". Iowa. State Planning Board.
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.
1890. Iowa Geological Survey. 1 map. L.H. Bradford & Co.
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.
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.
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.
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.