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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ironton Sintering Plant Complex ： ウィキペディア英語版 Ironton Sintering Plant Complex Ironton Sintering Plant Complex is a group of buildings north of Crosby, Minnesota, United States, listed on the National Register of Historic Places. The plant was built in 1924 by the Hanna Mining Company to process iron ore mined in the Cuyuna Range. The mining industry, after 1900, was seeking to exploit lower-grade iron deposits to meet the increasing demand of the iron and steel industry. To bring the ore to customers' specifications, the mines sought to "beneficiate" the ore through sintering, crushing, and washing. The sintering process was unique to the Cuyuna Range and made it possible to economically support mining.〔National Register of Historic Places nomination form, Ironton Sintering Plant Site. Charles W. Skrief, Minnesota Historical Society, September 10, 1979.〕 The plant sits on the west bank of Portsmouth Mine Pit Lake, formerly an open mine pit. The plant contained eight structures at the time of nomination. The sintering structure and trestle consists of a tall, concrete structure, adjacent to a trestle that supported rail cars that were unloaded into the sintering chamber. The machine shops building was located immediately east of the sintering structure and trestle, and is built of steel with corrugated metal sheathing. Other buildings include a warehouse/shops building, a garage, an electric transformer building, an oil tank, and a dryhouse.〔 ==References== 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「Ironton Sintering Plant Complex」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.