1.
Aerial Photography Counties: Iowa, 1930s
1930. Iowa Department of Natural Resources. 1930s Aerial Photography of Iowa County dataset in a zipped file.
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2.
Aerial Photography Counties: Iowa, 1950s
1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.
3.
Aerial Photography Counties: Iowa, 1960s
1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.
4.
Aerial Photography Counties: Iowa, 1970s
1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.
5.
Aerial Photography Dates File: Iowa, 1930s
1930. Iowa Department of Natural Resources. This file contains a shapefile of the centroids of individual scanned photos, and the associated date.
6.
Aerial Photography Dates: Iowa, 1950s
1950. Iowa Department of Natural Resources. Zipped file Contains a dateset of the centroids, with dates, of the individual images used.
7.
Aerial Photography Dates: Iowa, 1960s
1960. Iowa Department of Natural Resources. This dataset is centroids with dates of the individual images used.
8.
Aerial Photography Dates: Iowa, 1970s
1970. Iowa Department of Natural Resources. This shapefile has centroids with dates of all images used in this dataset.
9.
Andreas Atlas Counties: Iowa, 1875
1875. Iowa Department of Natural Resources. 1875 Andreas Atlas of Iowa Each zip file contains a county raster dataset.
10.
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.
11.
CIR Aerial Photography Dates: Iowa, 1980s
1980. Iowa Department of Natural Resources. This data has centroids and dates of individual images used.
12.
Color Infra Red Aerial Photography Web Service: Iowa, 2007-2010
2007-2010. Iowa Department of Natural Resources. All 3 photo periods are included: 2007, 2009, 2010.
13.
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.
14.
Four-Band Aerial Photography Dates: Iowa, 2007, 2009, 2010
2007\\\, 2009\\\, 2010. Iowa Department of Natural Resources.
15.
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.
16.
Land Cover of the State of Iowa in the Years 1984-86
1984-86. Iowa Department of Natural Resources. Land Cover of Iowa in From 1984 to 2003 This zip file contains a 15-meter ESRI GRID of the Land Cover of Iowa.
17.
Natural Color Aerial Photography: Iowa, 2007-2010
2007-2010. Iowa Department of Natural Resources. All three photo periods are included: 2007, 2009, and 2010.