Geologic Units: Jackson Demonstration State Forest, California, 2002

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Abstract/Contents

Abstract: This polygon shapefile depicts geologic units as areas, such as lithologic contact, fault contact, and watershed boundaries for the Jackson Demonstration State Forest (JDSF), which is predominantly located on the coastal side of the Mendocino Range, the western-most range of the northern California Coast Ranges Geomorphic Province. The majority of the JDSF is mountainous, with elevations ranging from near sea level in the western portion of the JDSF to approximately 2175 feet in the eastern portion of the JDSF. The Coastal Terrane of the Coastal Belt of the Franciscan Complex forms the bedrock under most of JDSF. The geology and geologic history of JDSF directly influence the nature of the slopes and the types and rates of landslides present.
Purpose: The maps/data are useful in preparation of Timber Harvesting Plans, and for use by land managers for identifying areas of potentially unstable ground. The maps/data serve as a general guide to potential problem areas where more site-specific review is required. The scale of these maps limits the delineation of the various geologic and geomorphic features, and relative landslide potential categories. The information on these maps is not sufficient to serve as a substitute for geologic and geotechnical site investigations required under Chapters 7.5 and 7.8 of Division 2 of the California Public Resources Code.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	0.47
Place	Sacramento, California, US
Publisher	California. Division of Mines and Geology
Publication date	2002
Edition	1
Language	English
Digital origin	born digital
Map data	1:24000Scale not given. ; Custom projection W 123°49ʹ20ʺ--W 123°24ʹ5ʺ/N 39°31ʹ4ʺ--N 39°20ʹ15ʺW 123°47ʹ41ʺ--W 123°27ʹ31ʺ/N 39°26ʹ2ʺ--N 39°17ʹ48ʺ, Scale not given ; EPSG::4326

Creator	California. Division of Mines and Geology
Creator	California. Department of Conservation

Subject	Watersheds
Subject	Geology
Subject	Geomorphology
Subject	Faults (Geology)
Subject	California, Northern
Subject	Jackson Demonstration State Forest (Calif.)
Subject	Mendocino County (Calif.)
Subject	2002
Subject	Geoscientific Information
Subject	Inland Waters
Genre	Geospatial data
Genre	Cartographic dataset

WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/zg154pd4168

Use and reproduction: This item is in the public domain. There are no restrictions on use.
Copyright: This work is in the Public Domain, meaning that it is not subject to copyright.

Preferred citation: California Department of Conservation and California Geological Survey. (2001). Geologic Units: Jackson Demonstration State Forest, California, 2002. California Dept. of Conservation and California Geological Survey. Available at http://purl.stanford.edu/zg154pd4168.

GIS data for the Watersheds mapping series. Map set 2, Jackson Demonstration State Forest, Mendocino County, California

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