2010. O'Neill, Michael and California. Office of Statewide Health Planning and Development. This polygon shapefile represents zip code tabulation areas (ZCTAs) for the state of California. These data were gathered from the 2010 Census demo... California. Office of Statewide Health Planning and Development.
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2015. O'Neill, Michael and California. Office of Statewide Health Planning and Development. This polygon shapefile contains primary health care professional shortage areas (HPSAs) in California. On January 26, 2004, the California Healthca... California. Office of Statewide Health Planning and Development.