August 5, 1939: "Three new stations have been established during the past season. Elk Mountain, Boulder Hill, and Summit and others are being considered. The new stations are of all steel construction. Some of them are 67 1/2 feet in height, with a seven by seven square cab built at the top for an observation tower, and others are 30 foot steel towers, with a 14 by 14-foot square cab, providing living quarters for the attendant." (Lead Daily Call)
1940: An Aermotor steel tower with 7x7 observation cab was erected.
1941: A notched corner log cabin, which included two rooms and a garage, was built for the lookout staff living quarters
September 28, 1941: "Floor of the 7' x 7' cabin is 76 1/2 feet above the ground." (Caption with photo of this date)
2002: The Elk Mountain fire burned over the top of the mountain destroying everything but the steel tower.
July 12, 2011: The lookout was evacuated when the 'Whoopup Fire' burned over the top of the mountain. The tower was saved by several retardant drops.