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You searched for: Creator Iowa Department of Natural Resources Remove constraint Creator: Iowa Department of Natural Resources Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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Aerial Photography Dates: Iowa, 1950s iowa

1950. Iowa Department of Natural Resources. Zipped file Contains a dateset of the centroids, with dates, of the individual images used.

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Aerial Photography Dates: Iowa, 1960s iowa

1960. Iowa Department of Natural Resources. This dataset is centroids with dates of the individual images used.

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Aerial Photography Dates: Iowa, 1970s iowa

1970. Iowa Department of Natural Resources. This shapefile has centroids with dates of all images used in this dataset.