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Start Over Subject Environment Year 2011 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Administrative Boundaries of National Park System Units, 2011

Datasets 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.

2. Hazardous Waste, Generated, Shipped, Received 2001-2007

Datasets Stanford University Public content
2011. National Atlas of the United States. This polygon shapefile portrays the hazardous waste generated, shipped, and received by state and other areas within the United States, Puerto Rico... National Atlas of the United States.

3. United States Hydrographic Polygons, 2013

Datasets Columbia University Public content
2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Bureau of the Census. The hydro polygon/arc coverages were created using TIGER/LINE 2000 shapefile data gathered from ESRI's Geography Network. The individual county hyd... U.S. Bureau of the Census (BOC).

4. United States National Park System, 2013

Datasets Columbia University Public content
2011. United States. Bureau of Transportation Statistics and United States. National Park Service. United States National Park System, 2013 is a polygon theme representing the National Park System.