Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. PLSS Sections (Landnet), Wisconsin 1996

1996. Wisconsin Department of Natural Resources. This data set is a polygon shapefile representing Public Land Survey System (PLSS) sections. The data are a subset of the Wisconsin DNR's 'Landnet'...

2. PLSS Townships (Landnet), Wisconsin 1996

1996. Wisconsin Department of Natural Resources. This data set is a polygon shapefile representing Public Land Survey System (PLSS) townships. The data are a subset of the Wisconsin DNR's 'Landnet...

3. PLSS Quarter-Sections (Landnet), Wisconsin 1996

1996. Wisconsin Department of Natural Resources. This data set is a polygon shapefile representing Public Land Survey System (PLSS) quarter-sections. The data are a subset of the Wisconsin DNR's '...

4. PLSS Quarter-Quarter Sections (Landnet), Wisconsin 1996

1996. Wisconsin Department of Natural Resources. This data set is a polygon shapefile representing Public Land Survey System (PLSS) quarter-quarter sections. The data are a subset of the Wisconsin...

5. 1:100,000 Digital Raster Graphics for Delaware: Delaware, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

6. 1:100,000 Digital Raster Graphics for Virginia: Virginia, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

7. 1:100,000 Digital Raster Graphics for West Virginia: West Virginia, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

8. 1:24,000 - 7.5 minute Digital Raster Graphics for Maryland: Maryland, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

9. 1:24,000 - 7.5 minute Digital Raster Graphics for the District of Columbia: District: District of Columbia, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

10. 1:24,000 - 7.5 minute Digital Raster Graphics for West Virginia: West Virginia, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

11. 1:250,000 Digital Raster Graphics for Delaware: Delaware, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

12. 1:250,000 Digital Raster Graphics for Maryland: Maryland, 2000

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

13. 1:250,000 Digital Raster Graphics for Virginia: Virginia, 2000

1996. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

14. 7.5 minute Digital Raster Graphics for Pennsylvania - UTM - cropped collars: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map with cropped collars, georeferenced to the UTM grid.

15. 7.5 minute Digital Raster Graphics for Pennsylvania - UTM grid - NAD 1983 - cropped collars: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map with cropped collars, georeferenced to the UTM gr...

16. 7.5 minute Digital Raster Graphics for Pennsylvania- Albers - cropped collars: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map with cropped collars in Albers projection.

17. 7.5 minute Digital Raster Graphics for Pennsylvania UTM grid - NAD 1983: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

18. 7.5 minute Digital Raster Graphics UTM: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

19. Active Railroads: Pennsylvania, 1996

1996. Environmental Resources Research Institute. Location of active rail lines in Pennsylvania, digitized from 1:24,000 USGS topographic maps on a stable mylar base.

20. Agricultural Security Areas: Pennsylvania, 1996

1996. Penn State ORSER/ERRI. Agricultural security areas from LLRWS data.