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Inland Waters
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Sediments (Geology)
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Watersheds
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Polygon
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Year
1940
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1. Geologic Units, Elk River Watershed, California, 1940-2000
1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This polygon shapefile depicts geologic units within the Elk River watershed in Humboldt County, California. This dataset is the product of the Dep... California Geological Survey.