topography from maps of the United States Geological Survey, 1906 ; hydrography from survey by Cornell University, 1884-1888. 1 map : col. ; 23 x 55 cm. Scale 1:62,500. Relief shown by contours and spot heights ; bathymetry shown by contours. North to left. "Bull. U.S.B.F. 1912, plate CXV.