1912: "In the summer of 1912 in cooperation with the U.S. Forest Service experiments were conducted with wireless telegraphy from Killington Peak. This venture did not seem to be very successful. This was probably one of the earliest experiments in radio through the country." (History of Forestry in Vermont)
1913: "A man used Killington Peak as a lookout point." (History of Forestry in Vermont)
1914: "A man has been located on the Rutland Section of the Green Mountain Trail, using Killington Peak as a lookout point." (6th Annual Report of the Vermont State Forester)
1963 - 1964: "The lookout's living quarters on Killington are in a building, erected as a joint project with the Department of Public Safety and Highway Department. The building also houses radio equipment for the three departments. The facilities on Killington are completely modern with electric heating, cooking and refrigeration. Transportation is supplied by the Killington chair lift." The tower was dismantled at Pico and re-erected on Killington. (Biennial Report of the Department of Forests and Parks)
1984: The tower discontinued in the Fall. One of the final two towers in use prior to this time.