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Start Over You searched for: Year 2004 Remove constraint Year: 2004 Resource Type Polygon data Remove constraint Resource Type: Polygon data Publisher California. Air Resources Board Remove constraint Publisher: California. Air Resources Board

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2004. California. Air Resources Board. Planning and Technical Support Division and Stephen P. Teale Data Center (Calif.). The California Air Basins layer is a polygon shapefile coverage representing the 15 California air basins, as defined in state statute and regulati... California. Air Resources Board.
2004. California Air Resources Board. Planning and Technical Support Division and Stephen P. Teale Data Center (Calif.). The California Air Districts layer is a polygon shapefile coverage representing the California air pollution control and air quality management dis... California. Air Resources Board.
2004. Stephen P. Teale Data Center (Calif.). and California Air Resources Board. Planning and Technical Support Division. This polygon shapefile California represents the California county boundaries at moderate spatial resolution, aligned to match well with the ARB Ca... California. Air Resources Board.