A very rare 1872 U.S. Coast Survey Map of Edgartown and Cotamy Bay on Martha's Vineyard (Marthas Vineyard), Massachusetts. Depicts from Edgartown south to Mattakeesett Bay and east to the Opening of 1846. Offers a countless depth soundings throughout as sell as 10 shore sectionals. An extremely uncommon find. The topography for this map was prepared by H. L . Whiting. The Hydrography is the work of Henry Mitchell (See biography below for H. Mitchell, son of William Mitchell) and H. I. Marindin. All work on this chart was completed by the Coast Survey under the direction of Benjamin Pierce, Superintendent of the Survey.