2015. Sacramento County GIS. This polygon shapefile depicts the service boundary fo the Sacramento Area Sewer District (SASD) in the County of Sacramento, California. The SASD ... Sacramento County GIS.
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2011. MarinMap. Three trustee areas along the west coast of Marin County, California at the Pacific Ocean. San Rafael (Calif.). County Of Marin.
2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries of Slope Instability Areas in the County of Humboldt, California. Slope Instability is the potential of s... Humboldt County Planning and Building Department.
2010. Department of Conservation & Development, Contra Costa County. This dataset represents the SOI within Contra Costa, California. Latest data revision occurred in November 2012; Data was mapped and provided by th...
2020. Placer County Geographic Information Systems. This polygon shapefile contains spheres of influence in Placer County, Calfornia. Special district spheres of influence define the probable physica... Placer County Geographic Information Systems.
2014. San Joaquin County, Community Development, Geographic Information Systems. This dataset represents the spheres of influence within San Joaquin County, California. Latest data export occurred on July 14th, 2014. Data was ma... San Joaquin County (Calif.). Community Development Department.
2015. San Joaquin County (Calif.). Community Development Department. This polygon shapefile represents the boundaries of spheres of influence for San Joaquin County, California as of July 2015. City and special distr... San Joaquin County (Calif.). Community Development Department.
2020. San Joaquin County (Calif.).Community Development Department. This polygon shapefile represents the boundaries of spheres of influence for San Joaquin County, California in 2020. City and special district sphe... San Joaquin County (Calif.).Community Development Department.
2015. Armstrong, Jake H. This polygon shapefile depicts Spheres of Influence (SOI) boundaries associated with incorporated areas in the County of Solano, California. These ... Solano County Department of Information Technology.
2016. This polygon shapefile represents spheres of influence in Stanislaus County, California. This layer is presented in the WGS84 coordinate system for... Stanislaus County GIS Division.