By the late 19th century, clearcutting logging practices had stripped much of the mountain for local industries that produced wood products, paper and charcoal. Along with this came devastating forest fires and landslides. Following a fire on the summit, a group of local businessmen concerned about the mountain incorporated the Greylock Park Association (GPA) on July 20, 1885, and purchased on the summit. The GPA also undertook long-needed repairs to the Notch Road so that carriages could access the top. Aside from shares to fund its operation, the GPA charged a 25-cent toll for the carriage road and a 10-cent fee to ascend the iron observation tower (built 1889). These fees are equivalent to $ in present-day dollars.