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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2014. Humboldt County Community Development Services -- Advance Planning Division. This polygonal dataset is an extract from the county's parcel layer. Includes agricultural areas, timber production areas, city-owned properties, p...
2014. Humboldt County Building & Planning Department. This polygonal dataset shows boundaries for zoning districts within Humboldt County, California. *******This data is a DRAFT version and has not be...