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}} The Ontonagon Light is a lighthouse located off M-64 near Ontonagon, Michigan. It was listed on the National Register of Historic Places in 1975〔 and designated a Michigan State Historic Site in 1973.〔 ==History== As Ontonagon became a more important Lake Superior port, it was realized that a navigational aid to shipping would be required. Thus, in 1847, funds were appropriated to purchase land on which to site a lighthouse, and in 1850 a further $5000 was appropriated to build the structure.〔 Construction began in 1852 and was completed in 1853. The station was first lit with Lewis lamps, which were replaced in 1857 with a fifth-order Fresnel lens at a cost of $500.〔 However, by 1866, the original wooden lighthouse had badly deteriorated, and plans were made to replace it.〔 A new brick structure was completed in 1867 by Detroit contractor W.F. Chittenden〔 at a cost of $14000, and the lens was moved from the older wooden structure, which was then demolished.〔 In 1889, an iron galley was installed around the light to make window-washing easier.〔 In 1890, a kitchen addition to the keeper's quarters was constructed.〔 Use of the light was discontinued in 1963, and it was officially closed in January 1964.〔 The building was leased to the last light keeper, and served as his family's private residence for a few years.〔 The Fresnel lens and keepers' logs were given to the Ontonagon County Historical Society.〔 It was listed on the National Register of Historic Places in 1975, and in 2003, ownership of the structure was transferred to the Ontonagon County Historical Society.〔 The society undertook a complete restoration of the structure,〔 and conducts tours for visitors.〔(【引用サイトリンク】 publisher = The Ontonagon County Historical Society )〕 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「Ontonagon Light」の詳細全文を読む スポンサード リンク
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