U.S Coast and Geodetic Survey, Nav corrected for info received Aug 12 1893,Triangulations Executed at intervals between 1846-1859, Topagrapghy executed at intervals between 1851-1867, Hydrography executed at intervals between 1851-1859,
Description: Topographical map of the Swan's Island Quadrangle in Hancock County, ME produced by the United States Department of the Interior Geological Survey. Depicts the elevations of the southern part of Mount Desert Island, Cranberry Isles, Long Island, Swan's Island, and other smaller islands. Several cemeteries are circled in red. 1:62500