Geologic Units (Polygons): Albion River Watershed, California, 1984-2000

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Abstract/Contents

Abstract: This polygon shapefile depicts geologic units including sand, silt, gravels, alluvium and colluvium deposits within the Albion River watershed in Mendocino County, California. These data were mapped at a 1:24,000 scale.
Purpose: This mapping began as part of the North Coast Watershed Assessment Program (NCWAP) which was de-funded by the Legislature in June 2003, the work was subsequently completed in late 2003 and early 2004. The California Geological Survey (CGS) evaluated the geology, fluvial geomorphic characteristics, relative slope stability and geomorphic characteristics within the watershed, and compiled the digital geospatial data described in this document. This mapping and compilation is geared toward providing baseline geologic and geomorphic data to aid in responsible land management, as well as the development of watershed restoration projects, watershed management strategies, and watershed plans.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	0.825
Place	Sacramento, California, US
Publisher	California Geological Survey
Date valid	1984 - 2000
Publication date	2004
Edition	1
Language	English
Digital origin	born digital
Map data	1:24000Scale not given. ; EPSG::26910 W 123°46ʹ43ʺ--W 123°32ʹ13ʺ/N 39°18ʹ20ʺ--N 39°12ʹ19ʺW 123°46ʹ40ʺ--W 123°32ʹ14ʺ/N 39°18ʹ18ʺ--N 39°12ʹ21ʺ, Scale not given ; EPSG::4326

Creator	California Geological Survey

Subject	Geology
Subject	River channels
Subject	Silt
Subject	Sand
Subject	Gravel
Subject	Colluvium
Subject	Alluvium
Subject	California, Northern
Subject	Mendocino County (Calif.)
Subject	Albion River Watershed (Calif.)
Subject	1984 > 2000
Subject	Environment
Subject	Geoscientific Information
Subject	Inland Waters
Genre	Geospatial data
Genre	Cartographic dataset

Supplemental information	The Albion River watershed is predominantly located on the coastal side of the Mendocino Range, the western-most range of the northern California Coast Ranges Geomorphic Province. The Albion River drains 43 square miles of the Mendocino County coastline. The headwaters are approximately 12 miles inland. The data is a product of the Department of Conservation, California Geological Survey’s (CGS) investigation of landslides and fluvial geomorphology of the Albion River watershed. The investigation was based on interpretation of 1984 and 2000 aerial photos, findings from CGS’s landslide mapping conducted in the early 1980s (Kilbourne, R.T. 1982-84, Manson, M. W. 1984), as well as other sources (McLaughlin, 1997 and Matthews, 2001). Link to this dataset on the California Department of Conservation website as of November 2014: http://www.conservation.ca.gov/cgs/fwgp/Pages/albion.aspx
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/rf686sv8656

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 Geological Survey. (2004). Geologic Units (Polygons): Albion River Watershed, California, 1984-2000. California Geological Survey.
Available at: http://purl.stanford.edu/rf686sv8656

Maps and GIS data for the Albion River Watershed, Mendocino County, California : watershed mapping series, map set 8

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