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1999. California Geological Survey and California. Division of Mines and Geology. This polygon shapefile represents geological units (such as fault contacts, lithographic contacts and the watershed boundary) within the Freshwater... California Geological Survey and California. Dept. of Conservation.
2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries of Potential Liquefaction from Slope Stability Zones in the County of Humboldt, California. According to ... Humboldt County Planning and Building Department.
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.
2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries of Slope Stability Areas in the County of Humboldt, California. Slope Stability is the potential of soil ... Humboldt County Planning and Building Department.
2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries for Percent Slope greater than 30% in the County of Humboldt, California. This coverage was derived from ... Humboldt County Planning and Building Department.