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 Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1.
1:250k Digital Raster Graphic - Collars Removed: Minnesota

1:250k Digital Raster Graphic - Collars Removed: Minnesota

1998. U.S. Geological Survey and Minnesota DNR and Minnesota Department of Natural Resources (DNR). A digital raster graphic (DRG) is a scanned image of an U.S. Geological Survey (USGS) standard series topographic map, including all map collar inf...

2.
Image

Aerial Image Service: Lorain County, Ohio, 1999

1999. 1999_Aerial_Image_Service.

3.
Vector Created with Sketch.

Aerial Imagery (DOQ) Grid: Michigan, 1992-1998

1992-1998. Digital Ortho-Quadrangle grid for 1992 1998 aerial imagery acquisitions.

4.
Aerial Imagery: Hennepin County, Minnesota, 1953

Aerial Imagery: Hennepin County, Minnesota, 1953

1953. Rectified black and white aerial imagery of Hennepin County captured during the fall of 1953.

5.
Aerial Imagery: Hennepin County, Minnesota, 1957

Aerial Imagery: Hennepin County, Minnesota, 1957

1957. Rectified black and white aerial imagery of Hennepin County captured during the spring of 1957.

6.
Aerial Imagery: Hennepin County, Minnesota, 1964

Aerial Imagery: Hennepin County, Minnesota, 1964

1964. Rectified black and white aerial imagery of Hennepin County captured during the fall of 1964.

7.
Aerial Imagery: Hennepin County, Minnesota, 1969

Aerial Imagery: Hennepin County, Minnesota, 1969

1969. Rectified black and white aerial imagery of Hennepin County from 1969.

8.
Aerial Imagery: Hennepin County, Minnesota, 1988

Aerial Imagery: Hennepin County, Minnesota, 1988

1988. Rectified black and white aerial imagery of the City of Minneapolis captured during the spring of 1988.

9.
Aerial Imagery: Hennepin County, Minnesota, 1989

Aerial Imagery: Hennepin County, Minnesota, 1989

1989. Rectified black and white aerial imagery of western Hennepin County captured during the spring of 1989.

10.
Vector Created with Sketch.

Aerial Imagery Index Grid, 12-foot Resolution: Prince George's County, Maryland, 1998

1998. The Maryland-National Capital Park & Planning Commission.

11.
Vector Created with Sketch.

Aerial Imagery Index Grid, 1-foot Resolution: Prince George's County, Maryland, 1998

1998. The Maryland-National Capital Park & Planning Commission.

12.
Vector Created with Sketch.

Aerial Imagery Index Grid, 3-foot Resolution: Prince George's County, Maryland, 1998

1998. The Maryland-National Capital Park & Planning Commission.

13.
Vector Created with Sketch.

Aerial Imagery Index Points: Prince George's County, Maryland, 1965

1965. The Maryland-National Capital Park & Planning Commission. The Commission has purchased a set of black & white imagery paper prints for all of Prince George's County, Maryland. This GIS point layer is used ...

14.
Vector Created with Sketch.

Aerial Imagery Index Points: Prince George's County, Maryland, 1968

1968. The Maryland-National Capital Park & Planning Commission. The Commission has purchased a set of black & white imagery paper prints for all of Prince George's County, Maryland. This GIS point layer is used ...

15.
Vector Created with Sketch.

Aerial Imagery Index Points: Prince George's County, Maryland, 1972

1972. The Maryland-National Capital Park & Planning Commission. The Commission has purchased a set of black & white imagery paper prints for all of Prince George's County, Maryland. This GIS point layer is used ...

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Raster
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Raster

Aerial Photography 1996: Philadephia, Pennsylvania

1996. Philadelphia aerial photography.

18.
Aerial Photography: Carver County, Minnesota, 1991

Aerial Photography: Carver County, Minnesota, 1991

1991. Carver County 2011 Imagery.

19.
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.

20.
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.