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You searched for: PLSS Remove constraint PLSS Genre Aerial imagery Remove constraint Genre: Aerial imagery Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1.
Raster

Digital Orthophoto Quarter Quadrangle images for Pennsylvania penn-state

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 ...

4.

Orthophotography: Baltimore County, Maryland, 1998 maryland

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.

5.
Raster

Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1997 penn-state

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 ...

6.
Raster

Digital Orthophoto (DOQQ - quarter-quadrangle) for West Virginia 1997 penn-state

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 ...

10.

Orthophotography: Baltimore County, Maryland, 1996 maryland

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...

12.

Orthophotography: Baltimore County, Maryland, 1995 maryland

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...

14.

Shaded Relief map: Illinois, 2006 illinois

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...

15.

Buried Bedrock Surface: Illinois, 2004 illinois

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...

17.

Driftless Areas: Illinois, 2004 illinois

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...

19.

Major Bedrock Valleys: Illinois, 2004 illinois

1994. Illinois State Geological Survey. This feature dataset shows continuous lines representing the lowermost elevations/locations of (buried) bedrock valleys in the state of Illinois. A...