2004. Humboldt County Community Development Services. This polygonal dataset shows community planning boundaries for Humboldt County, California as set out in the General Plan. .
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2013. Humboldt County Community Development Services. Humboldt County Fire District Boundaries and Response Areas.
2013. Humboldt County Community Development Services. This GIS dataset is the result of ongoing efforts to produce an accurate Roadway Centerline GIS layer for Humboldt County. Multiple source datasets...