2001. Stephen P. Teale Data Center (Calif.). and California. Air Resources Board. Planning and Technical Support Division. This point shapefile represents all air monitoring stations active in California from 2001 until 2003. The data within the shapefile was obtained f... California. Air Resources Board.
2016. California. Department of Transportation. This point shapefile contains the locations of Automated Weather Observation Systems (AWOS), created from the California Aviation System Plan (2013... California. Department of Transportation.