Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Institution Iowa Remove constraint Institution: Iowa
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1.
Aerial Photo Counties: Iowa, 2016

Aerial Photo Counties: Iowa, 2016

2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.

2.
Aerial Photography Counties: Iowa, 1930s

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

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

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

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.
Aerial Photography Dates File: Iowa, 1930s

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.

7.
Vector Created with Sketch.

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.

8.
Vector Created with Sketch.

Aerial Photography Dates: Iowa, 1960s

1960. Iowa Department of Natural Resources. This dataset is centroids with dates of the individual images used.

9.
Vector Created with Sketch.

Aerial Photography Dates: Iowa, 1970s

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

Andreas Atlas Counties: Iowa, 1875

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

11.
CIR Aerial Photography Counties: Iowa, 1980s

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.

12.
Vector Created with Sketch.

CIR Aerial Photography Dates: Iowa, 1980s

1980. Iowa Department of Natural Resources. This data has centroids and dates of individual images used.

13.
Color Infra Red Aerial Photography Web Service: Iowa, 2007-2010

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.

14.
County-wide Mosaics of 7.5 Minute USGS Topographic Maps: Iowa

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.

15.
Fall Imagery: Linn County, Iowa, 2012

Fall Imagery: Linn County, Iowa, 2012

2012. Linn County Iowa GIS. Linn County, Iowa 2012 fall image service.Imagery Layer DetailsUpdate Frequency: NeverPixel Resolution (urban): 4-inchPixel Resolution (rural): 9-i...

16.
Flood Imagery: Linn County, Iowa, 2008

Flood Imagery: Linn County, Iowa, 2008

2008. Linn County Iowa GIS. Linn County, Iowa 2008 flood image service. Imagery covers areas surrounding the Cedar River and Wapsipinicon River.Imagery Layer DetailsUpdate Fre...

17.
Vector Created with Sketch.

Four-Band Aerial Photography Dates: Iowa, 2007, 2009, 2010

2007, 2009, 2010. Iowa Department of Natural Resources.

18.
Four-Band Aerial Photography of Iowa: Iowa, 2007

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.

19.
Raster

Four-Band Aerial Photography of Iowa: Iowa, 2009

2009. Downloads include CIR and color rasters of Iowa counties flown in 2009.

20.
Raster

Four-Band Aerial Photography of Iowa: Iowa, 2010

2010. Downloads include CIR and Color rasters of Iowa Counties flown in 2010.