Mound, San Clemente Island
From Islapedia
Mound, San Clemente Island , California, Stehman Forney, 1878.—About 1 mile east of the landing at the San Clemente anchorage, on a rocky mound, having on each side of it to the north and south a mound of similar character. The station was marked by a stone 8 inches long and 2 by 4 inches at the top with a leaden bolt and a copper nail in it in the top, with a leaden bolt and copper nail in the top, the nail marking the center of the station. Redwood stubs were placed 2 feet from the center of the station. A copper nail was driven into a crevice in the rock 1.8 feet east of the center. [[Annual Report of the Director, U.S. Coast & Geodetic Survey, 1904]