1. Aerial Photo Counties: Iowa, 2016
2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.
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2. Aerial Photography Counties: Iowa, 1930s
1930. Iowa Department of Natural Resources. 1930s Aerial Photography of Iowa County dataset in a zipped file.
3. Aerial Photography Counties: Iowa, 1950s
1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.
4. Aerial Photography Counties: Iowa, 1960s
1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.
5. Aerial Photography Counties: Iowa, 1970s
1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.
6. Andreas Atlas Counties: Iowa, 1875
1875. Iowa Department of Natural Resources. 1875 Andreas Atlas of Iowa Each zip file contains a county raster dataset.
7. CIR Aerial Photography Counties: Iowa, 1980s
1980. Iowa Department of Natural Resources. 1980s Color-Infra-Red Aerial Photography of Iowa Each zip file contains a County-wide dataset.
8. County-wide Mosaics of 7.5 Minute USGS Topographic Maps: Iowa
2018. Iowa Department of Natural Resources. Topographic Maps Each zip file contains a MrSid compressed image of the topographic quads of a certain Iowa county.
9. Flood Depths: Iowa
2018. Each zip file contains raster data for a specific HUC 08.
10. Four-Band Aerial Photography of Iowa: Iowa, 2007
2007. Iowa Department of Natural Resources. 2007, 2009, and 2010 Four-Band Aerial Photography of Iowa Downloads include seperate CIR and color rasters of Iowa Counties flown in 2007.
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