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You searched for: Publisher State of Iowa Remove constraint Publisher: State of Iowa Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Type Dataset Remove constraint Type: Dataset
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6.

Aerial Photography Dates File: Iowa, 1930s university-of-iowa

1930. Iowa Department of Natural Resources. This file contains a shapefile of the centroids of individual scanned photos, and the associated date.

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Aerial Photography Dates: Iowa, 1950s university-of-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, 1970s university-of-iowa

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

10.

Andreas Atlas Counties: Iowa, 1875 university-of-iowa

1875. Iowa Department of Natural Resources. 1875 Andreas Atlas of Iowa Each zip file contains a county raster dataset.