Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Aerial Photography: Carver County, Minnesota, 1991

Aerial Photography: Carver County, Minnesota, 1991

1991. CarverGIS. Carver County 2011 Imagery.

2.
Aerial Photography: Carver County, Minnesota, 2017

Aerial Photography: Carver County, Minnesota, 2017

2017. CarverGIS. Carver County 2017 Pictometry Imagery.

3.
Historical Aerial Photography: Illinois, 1937-1947

Historical Aerial Photography: Illinois, 1937-1947

1936-1941. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...

4.
Raster

USGS High Resolution Orthoimagery, Minneapolis - St. Paul, Minnesota: Spring, 2004

2004. National Geospatial-Intelligence Agency (NGA), U.S. Geological Survey (USGS). This dataset consists of 0.3-meter pixel resolution (approximately 1-foot), natural color orthoimages covering the Minneapolis-St. Paul urban area ...