Iowa Department of Transportation. Aerial Oblique Photo Points from the Civil Air Patrol.
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Aerial Photo Counties: Iowa, 2016
2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.

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.

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.

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.

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.

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.
Five to Fifteen Feet Higher: Iowa
Iowa Department of Transportation. Used by Districts to show the difference between the LiDAR collected clearance and what we had on record.
Five to Fifteen Feet Lower: Iowa
Iowa Department of Transportation. Used by Districts to show the difference between the LiDAR collected clearance and what we had on record.
Flooding-Related Imagery & Photos by Location: Iowa, 2019
2019. Iowa Department of Transportation. This layer identifies the inventory of 2019 Spring flood-related imagery in the state of Iowa, referenced by point location. Includes images collec...

General Land Office Maps Counties: Iowa
2017. The Office of the State Archaeologist. General Land Office Maps of the State of Iowa Each zip file contains a County-wide raster image.

High Resolution Land Cover of Iowa in 2009 Counties: Iowa
2009. County dataset in a zipped file.
Land Cover Change in Iowa from 1984 - 2003
1984-2003. Change Detection GRID for the period 1985 to 2002 in the State of Iowa developed from Landsat Imagery. This zip file contains a raster dataset (ESR...
Land Cover Change in Iowa from 1990 - 2003
1990-2003. Change Detection GRID for the period 1990 to 2002 in the State of Iowa developed from Landsat Imagery.

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.
Land Cover of the State of Iowa in the Years 1989-91
1989-91. Land cover / Land use classification of the Iowa landscape derived from satellite imagery collected between 1989 and 1991. This zip file is a 15 m...
Land Cover of the State of Iowa in the Years 2002-3
2002-2003. Land cover / Land use classification of the Iowa landscape derived from satellite imagery collected between May 2002 and May 2003. This zip file co...
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