Search Constraints
You searched for:
Format
Shapefile
Remove constraint Format: Shapefile
Publisher
United States. Bureau of Transportation Statistics
Remove constraint Publisher: United States. Bureau of Transportation Statistics
Data type
Polygon
Remove constraint Data type: Polygon
Year
2008
Remove constraint Year: 2008
1 - 2 of 2
Search Results
1. Nonattainment Areas for Lead Pollution: United States and Territories, 2008
2008. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the lead (Pb) 3... United States. Bureau of Transportation Statistics.
2. Nonattainment Areas for Ozone Pollution: United States and Territories, 2008
2008. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3) ... United States. Bureau of Transportation Statistics.