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Aerial Photography Counties: Iowa, 1930s

1930. Iowa Department of Natural Resources. 1930s Aerial Photography of Iowa County dataset in a zipped file.

Aerial Photography Counties: Iowa, 1950s

1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.

Aerial Photography Counties: Iowa, 1960s

1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.

Aerial Photography Counties: Iowa, 1970s

1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.

Andreas Atlas Counties: Iowa, 1875

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

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.

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.

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.

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.