The first fire towers were logs that formed quadrupeds or tripods, topped with open platforms.
The crow's nest tower at Spoon Mountain in Penobscot County was at an elevation of 1,082 feet.
The 30-foot wood tower was built in 1916. A 15-foot section was added in 1920, replaced in 1936 with a 50-foot steel tower.
The structure was removed in 1978.
In 1917, Joseph Ingram of Patten was the watchman and John E. Mitchell, also of Patten, was chief warden.
