The butte is named for homesteader John Harl. This L-4 cab, built in 1954, replaced another L-4 cab dating from 1934. It is staffed in the summer. Known lookout personnel: 1923: Shiner McGinnis; 1936: R.N. Charleston; 1941: Clair Childers; 1942: Ernest Gibson; 1943: Clarence Whitmore; 1946: Clyde Fleenor; 1948: Leslie Yates; 1949: Homer Eggers; 1950: John Martin; 1951: Ray Childers; 1955: Robert Cook; 1962: 1962, 1966: Glenn Robinson; 1967: Mike & Mary Gribbin; 1971: Keith Wadman.