Boulder, San Clemente Island
From Islapedia
Boulder, San Clemente Island , California, William E. Greenwell, 1862; D. B. Wainright, 1878; S.Stehman Forney, 1879.—On the end of the high ridge one-half mile northeast of Halfway House. The hill is conspicuous by reason of the number of large boulders near the station. The center of the station was marked as in note 3, page 615. The reference marks were three drill holes in the fixed rock, located as follows: to the north, 4.15 feet; to the southwest, 3.80 feet, and to the northeast, 3.90 feet. [[Annual Report of the Director, U.S. Coast & Geodetic Survey, 1904]
Boulder, San Clemente Island triangulation station atop the island is at 1859 feet in elevation to the north of Mt. Thirst.
