Gray, San Clemente Island

From Islapedia


Gray, San Clemente Island , California, William E. Greenwell, 1862; Stehman Forney, 1878.—On the eastern slope near the top of the first large hill to the southeast of Alta [triangulation]. In 1862 the station was marked by a drill hole in the fixed rock. In 1878 a leaden bolt and copper nail were driven into the hole, the nail marking the center of station. Three holes were drilled in the rock; to the east, 9.8 feet; to the west, 9.6 feet, and to the south, 8.1 feet. [[Annual Report of the Director, U.S. Coast & Geodetic Survey, 1904]