Nitrogen Dioxide Non-Attainment Areas 2005
- This polygon dataset represents Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.
- United States. Bureau of Transportation Statistics. Office of Geographic Information Services
- United States, Northern Hemisphere, Western Hemisphere, and North America
- polygon, transportation, health, environment, Nitrogen dioxide, Air--Pollution, Air--Pollution--United States, and Air--Pollution--Standards--United States
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