2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...
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2008. Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS) and Federal Highway Administration, Office of Planning, HEPP-1. Non-Attainment Areas: Sulfur Oxides is a polygon theme representing areas in the United States that do not meet the National Ambient Air Quality St... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).
2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...
2000. Grossner, Karl, 1950-, Alvarez, Noemi, Christensen, Jon, and Trust for Public Land (U.S.). This polygon shapefile includes neighborhood boundaries supplied by Zillow.com, the Los Angeles Times and the City of Denver, and variables related... Stanford Digital Repository.
2000. University of Minnesota. Institute on the Environment. This raster dataset depicts equal area climate bins for wheat crops. Climate bins are defined by precipitation and growing degree days in crop area... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents a climate-defined potential yield (in tons per hectare) of wheat crops for the year 2000 compared to other farmers g... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the average gap (in tons per hectare) between observed yields in the year 2000 and a climate-defined potential yield... University of Minnesota. Institute on the Environment.