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Start Over Place Iowa--Polk County

11. Polk County, Iowa, 1974, 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.

12. Polk County, Iowa, 1982, aerial photomosaic index

Imagery University Of Iowa Public content
1980. 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.