PENNSYLVANIA
R - Z
c.1926: A 60-foot steel Aermotor tower with 7x7 observation cab erected by the state forestry department.
August 25, 2013: A news report indicates that the tower is closed due to aging and vandalism. A lack of budgeting and maintenance staff have made it impossible to keep up with needed repairs. The tower, however, is a popular destination for hikers and once a month from spring to fall an organized group hike is lead by the Locust Lake State Park naturalist.
A tree with observation platform at 40 feet above the ground established prior to 1918.
April 16, 1931: "Miss Rebecca Goodwin of Smithfield has one of the most unusual jobs of any woman in the county. She is the official forest fire observer for the Smithfield area and is one of the few women in the state employed in that capacity by the State Department of Forestry. The fire tower, over which Mrs. Goodwin presides, is near her home in the suburbs of the borough, and during the fire seasons, spring and fall, she is on the job. Her duties keep her busy practically every day of the fire season and many nights." (The Daily News Standard)
November 3, 1973: "Two adults and a juvenile have been arrested on criminal mischief charges in connection with Sunday night's destruction of the Snowy Mountain fire tower in Franklin County.
In Franklin County prison today, in lieu of $15,000 bail each, were Darrell Kauffman, 25, his cousin Rickey Kauffman, 20 and a 17-year-old boy. They are from South Mountain and were arrested Friday.
Police recovered hack saw blades in the area ..... and said additional arrests were expected.
The tower, a $35,000 90-foot steel structure, was toppled by vandals cutting its supporting legs. Officials said it will take six months to build a replacement." (The Progress)
An unimproved bald top observation point established prior to 1918.
A tree with observation post 30 feet above the ground established prior to 1918
1907: A tree observation post 40 feet above the ground was established.
August 16, 1922: "The first fire tower to be erected in Dauphin county will go up in Middle Paxton township, near Rattling Run. This is in the centre of a large wooded district and along the line of the Reading Railway's Schuylkill and Susquehanna branch. The tower will be so located that it will sweep many of the valleys and the control of large areas will be easy." (Reading Eagle)
An unimproved bald top observation point established prior to 1918.
1914: A tree observation post 50 feet above the ground was established.
1910: A 30-foot wood tower was constructed.
An unimproved bald top observation point established prior to 1918.
1921: A 60-foot steel tower was erected.
October 12, 1932: "Almost 400 men, directed by Sheriff Ira McClosky, started searching the mountains in Girard township today for Byron Liegey, aged, 60, watchman at the Knobs fire tower, who has been missing from his home since Sunday.
Notes left by the man, who took a rifle, when he left his home, indicated he contemplated suicide, police said. Before leaving he telephoned Forester William Buck, saying he was resigning his position and was going away." (Altoona Mirror)
December 2, 1932: "Disappearance of Byron Liegey, formerly stationed at a fire tower, near here, was solved today after discovery of his body in the mountains late Thursday.
Liegey apparently had killed himself with a rifle, according to authorities who carried the body for two miles over steep hills last night. Lloyd Lansberry, Woodland, Pa., deer hunter, found the body wedged between two rocks.
Liegey had been missing since last October 9. He left a note in the tower, saying he was 'going away.' Two hundred men searched the woods for several days in a futile attempt to find him." (Huntingdon Daily News)
A tree observation post 40 feet above the ground established prior to 1918.

1979: The lookout structure was removed.
1913: A tree observation post 30 feet above the ground.
A tree observation post 30 feet above ground established prior to 1918.
1914: A three legged tower constructed using three trees that were limbed and a platform connecting the tops. Possibly one of six lookout sites located on the Kishacoquillas State Forest.
1917: A 50-foot wood tower was constructed.
1915: A 25-foot tower was built.
TYRONE
Huntingdon County
July 1933: "A 60-foot tower now standing on Bald Knob, Huntingdon County, is to be moved to a site near Tyrone and increased to 80 feet in height." (The Forest Worker)

1972: The lookout structure was removed.
UPPER BEAM FIELD
Westmoreland County
An unimproved bald top observation point established prior to 1918.
U.S.G.S.
Tioga County
1899: A 30-foot wood tower built for the surveying of the surrounding country, was also found useful for the detection of fires.
WALTERS RUN
Clinton County
1913-14: A tree observation post 100 feet above the ground was established.
1916: A 36-foot wood tower was erected.
1913: A tree observation point 20 feet above the ground was established.