Harbors of Black Rock and Bridgeport.
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Title: Harbors of Captain's Island East and Captain's Island West :
Publisher: United States. Coast and Geodetic Survey. Washington, D.c. .
Scale: ca. 3 inches = 1 statute mile; scale also given in nautical miles.
1 map; 36 x 44 cm.
Notes: (Harbors of refuge no.) / from a trigonometrical survey under the direction of F. R. Hassler, superintendent of the Survey of the Coast of the United States. Coordinates indicated. Relief shown by hachures. Depths shown by contours and soundings. Covers Captain Harbor and adjacent waters. Includes sailing information. Reproduced from the original map in the Image Archives of the Historical Map & Chart Collection, Office of the Coast Survey, National Ocean Survey. Please contact the Survey for copy rights.