United States Department of the Interior Geological Survey. Topographic survey of Falmouth area, Henry Gannett chief cartographer, Marcus Baker geographer in charge. Surveyed in 1886 2 copies
Triangulation by the U.S. Coast and Geodetic and Borden Surveys ; Coast line by the U.S. Coast and Geodetic Survey ; Topography by W.J. Grambs, assistant under the direction of Sumner H. Bodfish, Topographer