This is an uncommon 1857 U.S. Coast Survey Chart or Map of Matagorda Bay and Lavaca Bay in Texas.  Essentially three maps in one.  The primary map, occupying the left portion of the sheet, details the Entrance to Matagorda Bay  Offers excellent detail of Matagorda Island and Matagorda Peninsula, noting  the Decros Point Beacon.    Another map, it the upper right quadrants shows Lavaca Bay with wonderful detail of Lavaca City or as it is known today Lavaca Port.  Lower central map shows both Matagorda and Lavaca bays in relation to one another.  Countless depth soundings throughout.  Notes on tides, lighthouses, and sailing instruction in the lower left.  The Triangulation for this survey was completed by S. A. Gilbert.  The topography is the work of S. A. Gilbert and M. Seaton.  They hydrography was accomplished by a party under the command of J. C. Febiger.
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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>
1857 (dated)
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