2011. United States. Environmental Protection Agency. This polygon shapefile contains area designations of lead attainment (Pb) in California (Region 9). There are three categories of designations: : n... United States. Environmental Protection Agency. Region IX.
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California State Irrigation Association. distributed by California State Irrigation Association. Relief shown by shading. Shows which areas are to be irrigated by which specific rivers. Al... The Association.
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.
2012. California. Office of Statewide Health Planning and Development. This polygon shapefile represents medically underserved areas (MUA) in California. The federal MUA designation identifies medically underserved are... California. Office of Statewide Health Planning and Development.
2003. California Air Resources Board. Planning and Technical Support Division and Stephen P. Teale Data Center (Calif.). This polygon shapefile contains federal one-hour ozone area designations and their classifications as per 40CFR81.305, part of the National Ambient... California. Air Resources Board.
2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile shows designated areas for particulate matter < 10 microns according to the 24-Hour National Ambient Air Quality Standard... California. Air Resources Board.
issued by the California State Mining Bureau. Relief shown by shading. Shows drainage, counties, railroads, etc. Inset: [Map showing the comparativ... The Bureau.
California State Mining Bureau. issued by the California State Mining Bureau. Relief shown by shading. Shows drainage, counties, railroads, etc. Inset: [Map showing the comparativ... The Bureau.
2019. Fire and Resource Assessment Program (Calif.). The State Responsibility Areas (SRA) dataset shows areas of legal responsibility for fire protection, including State Responsibility Areas (SRA), F... Fire and Resource Assessment Program (Calif.).
2011. Stephen P. Teale Data Center (Calif.). and California. Air Resources Board. Planning and Technical Support Division. This polygon shapefile shows area designations in California as required under Health and Safety Code section 39608 for ozone, nitrogen dioxide, su... California. Air Resources Board.