GeoData @ UCB

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You searched for: Subject Contours (Cartography) Remove constraint Subject: Contours (Cartography) Year 1940 Remove constraint Year: 1940
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1. Topographic Contours, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Dept. of Conservation., Marshall, Gerald, and Mendes, Eric. This line shapefile depicts contains topographic contours of the Elk River watershed in Humboldt County, California. These countours were derived f... California Geological Survey.