2010. California. Office of Statewide Health Planning and Development. This polygon shapefile represents medical service study areas (MSSA) in California for 2010. MSSAs are the defined geographic analysis unit for the... California. Office of Statewide Health Planning and Development.
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2010. California. Office of Statewide Health Planning and Development. This polygon shapefile contains areas of medically underserved populations (MUP) in California. The federal MUP designation is used when an area do... California. Office of Statewide Health Planning and Development.