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Bois Blanc Light : ウィキペディア英語版 | Bois Blanc Light
Bois Blanc Light can refer to one of five lighthouses erected on Bois Blanc Island, Michigan, in Lake Huron. Two of the lighthouses are currently standing. ==History== The original structure, built in 1829, was the second lighthouse constructed on Lake Huron.〔(【引用サイトリンク】author= Wagner, John L. )〕 Due to rising water levels, the lighthouse became unstable, and eventually collapsed on December 9, 1837.〔(Terry Pepper, Seeing the Light, Bois Blanc Island lights. )〕 The lighthouse was rebuilt in the summer of 1839, further inland from the original structure. Eventually this structure also became dilapidated, and a new lighthouse was constructed in 1867. This light was decommissioned in 1924 and boarded up, being replaced by an automated acetylene light atop a tall black steel skeleton tower to the east of the old light. The old station property and buildings were sold to Earl J. Coffey on August 24, 1925, and some time thereafter the steel skeletal tower was replaced by the currently operational cylindrical D9 tower with solar-powered acrylic optic, which is basically a tube with a light on the top. It is functional, but spartan.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Bois Blanc Light」の詳細全文を読む
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