Sphere of Influence (SOI), Contra Costa County, California, 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 the DCD GIS/Graphics Group within the Department of Conservation & Development.
- Contra Costa County (Calif.)
- Boundaries, Society, and Spheres Of Influence
- Held by:
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