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You searched for: Resource Type Raster data Remove constraint Resource Type: Raster data Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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1.

Aerial Photography Counties: Iowa, 1950s Datasets datasets university-of-iowa

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

2.

Aerial Photography Counties: Iowa, 1960s Datasets datasets university-of-iowa

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

3.

Aerial Photography Counties: Iowa, 1970s Datasets datasets university-of-iowa

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

4.

CIR Aerial Photography Counties: Iowa, 1980s Datasets datasets university-of-iowa

1980. Iowa Department of Natural Resources. 1980s Color-Infra-Red Aerial Photography of Iowa Each zip file contains a County-wide dataset. State of Iowa.

6.
Datasets datasets

Chesapeake Bay Watershed Land Cover Data Series 1984 Datasets datasets pennsylvania-state-university

1984. United States Geological Survey (USGS). To better understand how the land is changing and to relate those changes to water quality trends, the USGS funded the production of a Chesapeake B... State of Pennsylvania.

7.
Datasets datasets

Land Cover Change in Iowa from 1984 - 2003 Datasets datasets university-of-iowa

1984. 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... State of Iowa.

8.

Land Cover of the State of Iowa in the Years 1984-86 Datasets datasets university-of-iowa

1984. 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. State of Iowa.

9.
Datasets datasets

Land Cover Persistence from 1984-2003: Iowa Datasets datasets university-of-iowa

1984. 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). State of Iowa.

10.
Datasets datasets

Impervious surface area for Northeast Pennsylvania, 1985 Datasets datasets pennsylvania-state-university

1985. Toby Carlson, Penn State University. Impervious surface area for Pennsylvania was estimated from Thematic Mapper data using algorithms developed by Dr. Toby Carlson. The Value attribut... The Pennsylvania State University.