Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Institution Iowa Remove constraint Institution: Iowa Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1.
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.

2.
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.

3.
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.

4.
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.

5.
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.

6.
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.

7.
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.

8.
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.

9.
Raster

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...

10.
Raster

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.

11.
Land Cover of the State of Iowa in the Years 1984-86

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.

12.
Raster

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...

13.
Raster

Land Cover Persistence from 1984-2003: Iowa

1984-2003. Persistence of Land Cover Classes for the State of Iowa in the Years 1984-2002 This zip file contains a 15-meter raster dataset (ESRI GRID).