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 Collection Iowa GeoData Remove constraint Collection: Iowa GeoData
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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.
Raster

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.
Raster

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.
Vector Created with Sketch.

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

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

16.
Raster

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.

17.
Raster

Four-Band Aerial Photography of Iowa: Iowa, 2009

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

18.
Raster

Four-Band Aerial Photography of Iowa: Iowa, 2010

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

19.
General Land Office Maps Counties: Iowa

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.

20.
High Resolution Land Cover of Iowa in 2009 Counties: Iowa

High Resolution Land Cover of Iowa in 2009 Counties: Iowa

2009. County dataset in a zipped file.