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Start Over Place United States Subject Environment Bounding Box -86.51116 39.149274 -86.508949 39.150938

3. Administrative Boundaries of National Park System Units, 2011

Stanford University Public content
2011. United States. Bureau of Transportation Statistics. This polygon shapefile depicts service wide boundary set for display and general analysis purposes. This layer is part of the 2014 National Transpo... United States. Bureau of Transportation Statistics.

4. Bailey's Ecoregions and Subregions of the United States, 2004

Stanford University Public content
2004. United States. Forest Service. This polygon shapefile is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.... National Atlas of the United States.

5. Breeding Bird Survey Route Locations for Lower 48 States, 1966-1998

Stanford University Public content
1999. Patuxent Wildlife Research Center. This line shapefile portrays the current routes used for conducting Breeding Bird Surveys in the lower 48 States. This layer is part of the 1997-20... National Atlas of the United States.

7. Classification of Forest Fragmentation in North America, 1992

Stanford University Public content
2002. Ritters, Kurt. This raster layer is a grid map of North America including the Caribbean and most of Mexico in GeoTIFF format. The map layer is an excerpt from a g... National Atlas of the United States.

9. Environmental Health Hazard Index, 2015

Stanford University Public content
2015. United States. Department of Housing and Urban Development. The environmental health hazard exposure index summarizes potential exposure to harmful toxins at a neighborhood level. Potential health hazards ex... United States. Department of Housing and Urban Development.