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The Dorlay is a French river that flows through the Loire department. It is a tributary of the Gier, which in turn is a tributary of the Rhone. The Gier valley was formerly heavily industrialized with coal and iron mines and factories. ==Basin== The Dorlay rises in Mont Pilat. It is long. Tributaries are the Artiole, Mornante and Sellon. The Mornante and Sellon are known for the presence of white-clawed crayfish, a heritage species. The catchment area is about The source of the river is at an altitude of over , while the average elevation of the basin is The upper part of the basin is forested or pastureland. 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「Dorlay」の詳細全文を読む スポンサード リンク
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