This is an attractive 1863 U.S. Coast Survey chart or nautical map or the southern part of <b><a href="//commons.wikimedia.org/wiki/Category:San_Francisco_Bay" title="Category:San Francisco Bay">San Francisco Bay</a></b>, California.  
<ul><li>Covers from Alviso and Redwood city northward as far as Point Avisadera.  Includes Union City, Johnson’s Landing.  Eden Landing. Mayhew’s Landing, Ravenswood, <a href="//commons.wikimedia.org/wiki/Category:San_Francisquito_Creek" title="Category:San Francisquito Creek">San Francisquito Creek</a>, Belmont, San Mateo and San Bruno.</li>
<li>Offers thousands of depth soundings but true to form as nautical chart very little inland detail. Sailing instructions and tidal notation in the lower left hand quadrant.</li>
<li>The triangulation and Topography survey for this map was accomplished by R. D. Cutts and A. E. Rodgers.  The Hydrography was accomplished by parties under the command of James Alden and R. M Cuyler.  The entire word was prepared under the supervision of A.D. Bache, director of the U.S. Coast Survey.  Engraved by G.</li></ul>
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<a href="https://en.wikipedia.org/wiki/United_States_Coast_Survey" class="extiw" title="en:United States Coast Survey">United States Coast Survey</a></div>
1862 (dated)
This file was provided to Wikimedia Commons by <a rel="nofollow" class="external text" href="http://www.geographicus.com/">Geographicus Rare Antique Maps</a>, a specialist dealer in rare maps and other cartography of the 15th, 16th, 17th, 18th and 19th centuries, as part of a <a href="//commons.wikimedia.org/wiki/Commons:Geographicus" title="Commons:Geographicus">cooperation project</a>.