August 24, 1982: "Tender Notice. Tenders for the following projects: 136-82 Construction a lookout fire tower cabin, Ptarmigan Mountain, Pelly Crossing, Yukon. will be received until September 3, 1982, 2:00 P.M. Y.S.D.T." (The Whitehorse Star)
2012: Status changed from primary to emergency lookout. Air patrol to take over primary duties.