Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. 2009 Wild and Scenic River Aerial Oblique CIR Photo Index: Minnesota

2014. Minnesota Department of Natural Resources (DNR). Index to high quality Color Infrared oblique aerial imagery of Minnesota wild and scenic river system. Leaf off, snow off conditions. Feature class...

2. Aerial Photography: Carver County, Minnesota, 2005

2005. CarverGIS. Carver County 2005 Aerometric Imagery.

3. Aerial Photography: Carver County, Minnesota, 2008

2008. CarverGIS. Carver County 2008 Pictometry Imagery.

4. Aerial Photography: Carver County, Minnesota, 2011

2011. CarverGIS. Carver County 2011 Pictometry Imagery.

5. Aerial Photography: Carver County, Minnesota, 2013

2013. CarverGIS. Carver County 2013 Aerometric Imagery.

6. Base Flood Elevation: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM base flood elevations.

7. City Boundary: Ann Arbor, Michigan, 2015

2015. Scott Harrod and City of Ann Arbor. Polygons defining the boundary of the city of Ann Arbor.

8. City Council Wards with Demographics: Minneapolis, Minnesota, 2016

2012. City of Minneapolis GIS Office. Council ward boundaries with Council member contact information and enhanced population demographics from the 2010 U.S. Census.

9. City Owned Parcels: Ann Arbor, Michigan, 2015

2015. City of Ann Arbor - Community Services and City of Ann Arbor. Polygon parcels of land owned by the City of Ann Arbor near or in the City Boundary.

10. Cropland Data Layer 2015: Minnesota

2016. National Agricultural Statistics Service (NASS), United States Department of Agriculture (USDA). The United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS) Cropland Data Layer (CDL) is a raster, geo-refe...

11. DC Boundary: Washington, D.C.

2015. District of Columbia GIS Program. District of Columbia boundary. The dataset is a polygon representing the District of Columbia boundaryC. Office of the Chief Technology Officer (OC...

12. DC Quadrants: Washington, D.C.

2015. District of Columbia GIS Program. District of Columbia quadrants. The dataset contains locations and attributes of the District of Columbia quadrants. Office of the Chief Technology...

13. District Boundary as defined by boundary Stones: Washington, D.C.

2015. District of Columbia GIS Program. District of Columbia boundary. The dataset is a polygon representing the District of Columbia boundaryC. Office of the Chief Technology Officer (OC...

14. Estimated Percentages of Impervious Surfaces in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana, 2003

2003. United States Geological Survey (USGS) (Author) and Indiana Geological Survey (Digital complier). IS2001USGS_IN is a grid (30-meter cell size) showing estimated percentages of impervious surfaces in Indiana in 2001. This grid is a subset of the ...

15. Estimated Percentages of Tree Canopy in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana, 2003

2003. United States Geological Survey (USGS) (Author) and Indiana Geological Survey (Digital compiler). TC2001USGS_IN is a grid (30-meter cell size) showing the estimated percentages of tree canopy in Indiana in 2001. This grid is a subset of the Nati...

16. Floodplain, Cross Sections: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM floodplain cross sections.

17. Floodplain, Floodzone: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM floodzones.

18. Glacial Drift: Thickness and Character: Illinois, 2004

1994. Illinois State Geological Survey. This is an SDE feature dataset showing drift thickness in Illinois. Data are originally from ISGS Circular 490 by Piskin and Bergstrom (1975), Plat...

19. Height Modernization (ILHMP) LiDAR Data: Alexander County, Illinois: 2011

2011. Wilson & Company, Inc. This dataset consists of modified FEMA-grade LiDAR point cloud data for the Illinois River floodplain in the following pools: Marseilles Pool (only...

20. Height Modernization (ILHMP) LiDAR Data: Bond County, Illinois: 2015

2015. This Digital Terrain Model (DTM) data was produced all or in part from LiDAR information as of 2015. The LiDAR derived DTM covers Bond County, Illi...