1860

• North and South Redoubts and surrounding lands purchased by William Henry Osborn.

1950’s

• School Forest created. Did not include Ski Hill.

1961

• Ski Hill Rope-Tow constructed by Frederick Henry Osborn, Sr. and Frederick Henry Osborn, Jr.
• Rope-Tow Building was about ½-way up the hill.
• The gasoline engine that ran the tow was from an old WWII Jeep.
• Hot Chocolate Shed with wood-stove was built at the base of the ski hill.

1970

• Non School Forest lands transferred to Frederick Henry Osborn, Jr.

1979

• Rope-Tow’s last winter of operations.

1985

• Ski Hill fenced in for horse grazing.

1991

• Ski Hill lands transferred to Garrison School Forest.