Cape Orford and reef, Oregon / U.S. Coast Survey, Benjamin Peirce, superintendant ; triangulation by A.W. Chase, sub-assistant in 1869 ; topography by A.M. Harrison, assist. and A.W. Chase, sub-assistant in 1851 & '69 ; hydrography by Commander J. Alden UPeirce, Benjamin, 1809-1880United States Coast Survey1869In upper left margin: No. 16.Includes notes.Relief shown by hachures. Depths shown by soundings.Removed from: United States Coast Survey, Annual report of the superintendent of the Coast Survey (1869).cartographic