EarthWorks Geospatial Catalog

San Francisco Bay to Antioch, California / Coast Survey.

Depths shown by isolines and soundings. Relief shown by contours and spot heights. Panel title. Ten ancillary maps show enlargements of principal map areas at scales of 1:20,000 and 1:40,000 and 2 maps, one at 1:40,000 scale and the other at 1:80,000 scale, appear to join main map. Shipping list no.: 2002-0013-S. "Soundings in feet." Includes tide tables. Folder includes facilities listing and nautical chart diagram.
The Survey ;
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