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You searched for: Author United States. Bureau of Transportation Statistics Remove constraint Author: United States. Bureau of Transportation Statistics Format Shapefile Remove constraint Format: Shapefile Access Public Remove constraint Access: Public Subject Climatology, Meteorology and Atmosphere Remove constraint Subject: Climatology, Meteorology and Atmosphere Year 1987 Remove constraint Year: 1987
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1. 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.