Activated: April 20, 1942. Port Angeles Filter Center.
1943: Air Warning Service Station "Baker 5-9" was established on the Olympic National Forest. A 12 x 16 shake cabin built of native materials using AWS labor. At the end of service this site was retained by the Forest Service. (from Report of AWS Stations, May 1, 1944)
July 20, 1956: "Sanford E. Floe, Snider Ranger Station, reports a new fire lookout tower was completed this week on top of Hias Mountain. The tower is south of the Snider Ranger Station and overlooks the Olympic National Forest timber lands at 3,000 feet high. The tower is 30 feet high." (Port Angeles Evening News)
1971: The 40-foot treated timber tower with an R-6 cab was destroyed.