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41. Clay County, Iowa, 1949, aerial photomosaic index

Imagery University Of Iowa Public content
1940. 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. Production and Marketing Administration.

42. Clayton County, Iowa, 1940, aerial photomosaic index

Imagery University Of Iowa Public content
1940. 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.
1940. Color reproduction by Bureau of Agricultural Economics, U.S.D.A.' Includes chart showing type of land use, acreage, and recommended use. Scale not ... United States Bureau of Agricultural Economics.

45. Davis County, Iowa, 1941, 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 and United States. Agricultural Stabilization and Conservation Service.

47. Decatur County, Iowa, 1941, 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 and United States. Agricultural Stabilization and Conservation Service.

48. Delaware County, Iowa, 1940, 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 and United States. Agricultural Stabilization and Conservation Service.