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...
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2010. Humboldt County Community Development Services - Advance Planning Division. This polygonal dataset shows the boundaries for the 2010 Board of Supervisor Districts in Humboldt County, California. .
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...