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You searched for: Genre Aerial imagery Remove constraint Genre: Aerial imagery Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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penn-state

1. Digital Orthophoto Quarter Quadrangle images for Pennsylvania

1999. United States Geologic Survey (USGS) and Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...
chicago

2. Aerial Imagery: Cook County, Illinois, 1998

1998. Cook_County_GIS. Panchromatic aerial imagery flown in 1998 for Cook County, Illinois at 6 inch pixel resolution.To download, let your browser load blocked content. ...
purdue

4. DOQQ 1998: Indiana

1998. IndianaMap ArcGIS Online. 1998-99 Aerial Photos (USGS DOQQs), (1:12,000) - Shows the 1998-1999 Digital Orthophoto Quarter Quadrangle (DOQQ) imagery of Indiana, produced by ...
maryland

5. Orthophotography: Baltimore County, Maryland, 1998

1998. Baltimore County Web Map Portal. Orthophotography for Baltimore County from March/April 1998. This is not a complete data set and only covers the southern half of Baltimore County.
penn-state

6. Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1997

1997. United States Geologic Survey (USGS) and Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...
maryland

12. Orthophotography: Baltimore County, Maryland, 1996

1996. Baltimore County Web Map Portal. Orthophotography for Baltimore County from March/April 2017. This is not a complete countywide dataset and only includes central and western Baltim...
purdue

13. USGS Topographic Maps: Indiana, 1996 (1:24,000)

1996. IndianaMap ArcGIS Online. USGS Topographic Maps, 1996 (1:24,000) - Shows the digital color imagery (Digital Raster Graphics, referred to as DRGs) of topographic quadrangle m...
maryland

15. Orthophotography: Baltimore County, Maryland, 1995

1995. Baltimore County Web Map Portal. Orthophotography for Baltimore County from March/April 1995. This is not a complete countywide dataset and only includes the eastern portion of Bal...
illinois

17. Shaded Relief map: Illinois, 2006

1995. Abert, Curtis C. This raster dataset shows the landforms of Illinois with a shaded relief portrayal. Cell size is 301 feet and nominal map scale is 1:250,000. The d...
illinois

18. Buried Bedrock Surface: Illinois, 2004

1994. Herzog, B.L.. B.J. Stiff, C.A. Chenoweth, K.L. Warner, J.B. Sievering, C. Avery. The Buried Bedrock Surface of Illinois map represents the first revision of the bedrock topography map since the second edition was published by th...
illinois

20. Driftless Areas: Illinois, 2004

1994. Illinois State Geological Survey. This is a polygon feature class containing driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface i...