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1. Nonattainment Areas for Lead Pollution: United States and Territories, 1978

1978. 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 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.

3. Nonattainment Areas for Ozone Pollution: United States and Territories, 1979

1979. 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.

4. Nonattainment Areas for Ozone Pollution: United States and Territories, 1990

1990. 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)1... United States. Bureau of Transportation Statistics.

5. Nonattainment Areas for Ozone Pollution: United States and Territories, 1997

1997. 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.

6. 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.

7. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1987

1987. 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 particulate... United States. Bureau of Transportation Statistics.

8. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1990

1990. 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 particulate... United States. Bureau of Transportation Statistics.

9. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1997

1997. 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 particulate... United States. Bureau of Transportation Statistics.

10. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 2006

2006. 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 particulate... United States. Bureau of Transportation Statistics.