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You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Type Dataset Remove constraint Type: Dataset Layer Geom Type S Raster Remove constraint Layer Geom Type S: Raster
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pennsylvania-state-university

1. 1:100,000 Digital Raster Graphics for Delaware

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

2. 1:100,000 Digital Raster Graphics for Maryland

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

3. 1:100,000 Digital Raster Graphics for Virginia

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

4. 1:100,000 Digital Raster Graphics for West Virginia

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

7. 1:24,000 - 7.5 minute Digital Raster Graphics for Maryland

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

12. 1:250,000 Digital Raster Graphics for Delaware

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

13. 1:250,000 Digital Raster Graphics for Maryland

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

14. 1:250,000 Digital Raster Graphics for Virginia

2000. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
pennsylvania-state-university

15. 1:250,000 Digital Raster Graphics for West Virginia

2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
university-of-iowa

63. Andreas Atlas Counties: Iowa, 1875

1875. Iowa Department of Natural Resources. 1875 Andreas Atlas of Iowa Each zip file contains a county raster dataset.
pennsylvania-state-university

68. Chesapeake Bay Watershed Land Cover Data Series 1984

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...
pennsylvania-state-university

69. Chesapeake Bay Watershed Land Cover Data Series 1992

1992. 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...
pennsylvania-state-university

70. Chesapeake Bay Watershed Land Cover Data Series 2001

2001. 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...
pennsylvania-state-university

71. Chesapeake Bay Watershed Land Cover Data Series 2006

2006. 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...
pennsylvania-state-university

76. Conservation Resources: Pennsylvania

2006. This raster dataset is a compilation of three groups of data including Aquatic Resources, Terrestrial Resources, and Rarity. Several data sets were...
pennsylvania-state-university

77. Contiguous Grasslands: Pennsylvania

2006. This raster dataset has been created using "Pennsylvania Land Cover dated 1992" developed by the EROS Data Center for EPA Federal Region III (see m...
pennsylvania-state-university

78. Contiguous Scrub Transitional: Pennsylvania

2006. This raster dataset has been created using "Pennsylvania Land Cover dated 1992" developed by the EROS Data Center for EPA Federal Region III (see m...
pennsylvania-state-university

96. Delaware River flood imagery: Pennsylvania

2005. Pennsylvania Department of Transportation. Aerial Photography of four flight lines, captures April 4, 2005 during a spring flood event in southeastern Pennsylvania.
pennsylvania-state-university

98. Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1992

1992. 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 ...
pennsylvania-state-university

99. 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 ...
pennsylvania-state-university

100. Digital Orthophoto (DOQQ - quarter-quadrangle) for Virginia

2000. 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 ...