North Base, San Clemente Island
From Islapedia
North Base, San Clemente Island , California, William E. Greenwell, 1860; Stehman Forney, 1878.—The general locality of the base line is given under San Clemente Island South Base. The original markings were the same. In 1878 the center monument and three of the old reference stubs were found and left undisturbed. New reference stones and stakes were placed as described in note 3, page 615. [[Annual Report of the Director, U.S. Coast & Geodetic Survey, 1904]