Alta, San Clemente Island
From Islapedia
Alta, San Clemente Island , California, William E. Greenwell, 1862; Stehman Forney, 1879.—On the southeast side of the highest ridge of the island, on the summit of a roound, smooth-top hill. Three hundred meters southeast across a small ravine is a prominent ledge of rocks. In 1862 three holes were drilled in the fixed rock; to the east, 7 feet 2 inches; to the west, 8 feet 5 inches, and to the north, 5 feet 9 inches. In 1879 the station was marked as described in note 3, p. 615, except the reference stones were set northeast, northwest, and south of the center stone. [[Annual Report of the Director, U.S. Coast & Geodetic Survey, 1904]
