GeoData @ UCB

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You searched for: Author United States. Environmental Protection Agency. Region IX Remove constraint Author: United States. Environmental Protection Agency. Region IX Subject Location Remove constraint Subject: Location Subject Boundaries Remove constraint Subject: Boundaries Subject United States. Clean Air Act Remove constraint Subject: United States. Clean Air Act Place Arizona Remove constraint Place: Arizona Year 2011 Remove constraint Year: 2011
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1. Carbon Monoxide (CO): Federal Non-Attainment Area Designations: U.S. Region 9, 2011

2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile represents nonattainment areas for carbon monoxide (CO) in EPA Region 9, including California, Nevada and Arizona, for 2011.... United States. Environmental Protection Agency. Region IX.