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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2014. California. Office of Statewide Health Planning and Development. This polygon shapefile contains dental health professional shortage areas (HPSAs) in California. The federal Dental HPSA designation (formerly Heal... California. Office of Statewide Health Planning and Development.