topography from maps of the United States Geological Survey, 1902 and 1909 ; hydrography from survey by Cornell University, 1874-1878. 1 map : col. ; 23 x 104 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 CXIII"--Upper margin.