Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
1:250k Digital Raster Graphic - Collars Removed: Minnesota

1:250k Digital Raster Graphic - Collars Removed: Minnesota

1998. U.S. Geological Survey and Minnesota DNR. A digital raster graphic (DRG) is a scanned image of an U.S. Geological Survey (USGS) standard series topographic map, including all map collar inf...

2.
Crops for 2014, Derived from National Agricultural Statistics Service: Indiana

Crops for 2014, Derived from National Agricultural Statistics Service: Indiana

2017. United States Department of Agriculture. The following is excerpted from the metadata provided by NASS (USDA) for the source data set CDL_2014_CLIP.tif: "The USDA, NASS Cropland Data Laye...

3.
Crops for 2015, Derived from National Agricultural Statistics Service: Indiana

Crops for 2015, Derived from National Agricultural Statistics Service: Indiana

2017. United States Department of Agriculture. The following is excerpted from the metadata provided by NASS (USDA) for the source data set CDL_2015_CLIP.tif: "The USDA, NASS Cropland Data Laye...

4.
Crops for 2016, Derived from National Agricultural Statistics Service: Indiana

Crops for 2016, Derived from National Agricultural Statistics Service: Indiana

2017. United States Department of Agriculture. The following is excerpted from the metadata provided by NASS (USDA) for the source data set CDL_2016_CLIP.tif: "The USDA, NASS Cropland Data Laye...

5.
Digital Orthophotos, Twin Cities Metropolitan Area, 1997: Minnesota

Digital Orthophotos, Twin Cities Metropolitan Area, 1997: Minnesota

1997-04. Metropolitan Council. This dataset contains 265 digital, black and white orthophoto quarter-quadrangles (DOQs), 3.75' x 3.75', covering the 7 county Twin Cities (Minneap...

6.
Digital Orthophotos, Twin Cities Metropolitan Area, 2000: Minnesota

Digital Orthophotos, Twin Cities Metropolitan Area, 2000: Minnesota

2000-05. Metropolitan Council. This dataset contains 267 black and white digital orthophoto quarter-quadrangles (DOQs), 3.75' x 3.75', covering the 7 county Twin Cities (Minneapo...

7.
Duluth 1-Meter Land Cover Classification (Urban Focused), 2016

Duluth 1-Meter Land Cover Classification (Urban Focused), 2016

2011 and 2015. Host, Trevor K., Rampi, Lian P., and Knight, Joe F. A high-resolution (1-meter) land cover classification raster dataset was completed for three different geographic areas in Minnesota: Duluth, Roche...

8.
Estimated Percent Change of Impervious Surface, Derived from the 2001 and 2006 National Land Cover Database: Indiana

Estimated Percent Change of Impervious Surface, Derived from the 2001 and 2006 National Land Cover Database: Indiana

2016. United States Geological Survey. IMPERVIOUS_SURFACE_CHANGE_2001_2006_USGS_IN is a raster layer (30-meter cell size) containing the percent difference of impervious-surface values i...

9.
Estimated Percentage of Impervious Surface in 2006, Derived from the 2006 National Land Cover Database: Indiana

Estimated Percentage of Impervious Surface in 2006, Derived from the 2006 National Land Cover Database: Indiana

2016. United States Geological Survey. IMPERVIOUS_SURFACE_2006_USGS_IN is a grid (30-meter cell size) showing estimated percentages of impervious surfaces in Indiana in 2006.This grid is...

10.
Estimated Percentage of Impervious Surface in 2011, Derived from the 2011 National Land Cover Database: Indiana

Estimated Percentage of Impervious Surface in 2011, Derived from the 2011 National Land Cover Database: Indiana

2016. United States Geological Survey. IMPERVIOUS_SURFACE_2011_USGS_IN is a grid (30-meter cell size) showing estimated percentages of impervious surfaces in Indiana in 2011.This grid is...

11.
Minnesota Land Cover Classification and Impervious Surface Area by Landsat and Lidar: 2013 Update

Minnesota Land Cover Classification and Impervious Surface Area by Landsat and Lidar: 2013 Update

2013. Rampi, Lian P., Knight, Joe F., and Bauer, Marvin. This is a 15-meter raster dataset of a land cover and impervious surface classification for 2013, level two classification. The classification was ...

12.
Rochester 1-Meter Land Cover Classification (Urban Focused), 2016

Rochester 1-Meter Land Cover Classification (Urban Focused), 2016

2011 and 2015. Host, Trevor K., Rampi, Lian P., and Knight, Joe F. A high-resolution (1-meter) land cover classification raster dataset was completed for three different geographic areas in Minnesota: Duluth, Roche...

13.
Statewide 30-Meter Shaded Relief Image: Illinois, 2006

Statewide 30-Meter Shaded Relief Image: Illinois, 2006

2003. Lisa Smith, Chris Goldsmith, and Donald Luman. This is a shaded relief image of Illinois in ArcSDE raster format. The data are stored in UTM coordinates, using a Transverse Mercator projection w...

14.
Twin Cities Metropolitan Area 1-Meter Land Cover Classification (Urban Focused), 2016

Twin Cities Metropolitan Area 1-Meter Land Cover Classification (Urban Focused), 2016

2011 and 2015. Host, Trevor K., Rampi, Lian P., and Knight, Joe F. A high-resolution (1-meter) land cover classification raster dataset was completed for three different geographic areas in Minnesota: Duluth, Roche...

15.
Twin Cities Metropolitan Area Urban Tree Canopy Assessment, 2015

Twin Cities Metropolitan Area Urban Tree Canopy Assessment, 2015

2015. Knight, Joe F., Rampi, Lian P., and Host, Trevor K. A high-resolution (1-meter) tree canopy assessment was completed for the Twin Cities Metropolitan Area. Mapping of existing and potential tree cano...