June 27, 1929: "The erection of a new lookout at Sula peak is almost completed. William Clark of Hamilton is stationed for the summer at this point." (The Daily Missoulian)
October 3, 1929: "Two buildings were also constructed during the summer; a lookout station on Sula Peak overlooking Ross Hole." (The Western News)
1934: A 10-foot treated timber tower with L-4 cab. (Kresek)
August 11, 1959: "Of interest to the visitors at Medicine Springs on Saturday was a two-thirds grown mountain lion which John Hayes has killed on Sula peak. The animal was wounded by a Forest Service employee on duty at the lookout station on Sula Peak and Hayes was then called to bring his dogs and finish the kill. It was a beautiful specimen and created much excitement and interest among the tourists visiting at the springs." (Ravalli Republic)
February 23, 1960: "Bill Stoll, headquarters fireman and district craftsman, completed enclosing the base of Sula Peak lookout this fall. The radio remote for the district will be installed there this spring. Phil's work has made the Sula Peak lookout one of the nicest in the Northern Rocky Mountain Region. Rex Piper and his wife were on Sula Peak this year." (Ravalli Republic)
June 13, 1962: "Sula Peak: Mr. and Mrs. John F. Baker, College Place, Wash., attend Walla Walla College. This is their first season with the Forest Service." (Ravalli Republic)
June 21, 1963: "Mr. and Mrs. John F. Baker will spend their second season on Sula Peak. They are from College Place, Wash., and have attended Walla Walla College. Baker will transfer to the College of Law, Willamette University at Salem Ore., next fall." (Ravalli Republic)
2000: The lookout structure was destroyed in a wildfire.
2001: A new, one of a kind, design lookout building was constructed.