GeoData @ UCB

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You searched for: Publisher United States. Bureau of Transportation Statistics Remove constraint Publisher: United States. Bureau of Transportation Statistics Subject Health Remove constraint Subject: Health Institution Stanford Remove constraint Institution: Stanford Year 2006 Remove constraint Year: 2006
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1. 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.