| 词条 | Dōzan River |
| 释义 |
| name = Dōzan River 銅山川 | image = Douzan-river.jpg | image_size = | image_caption = | source1_location = Mount Kanmuri | mouth_location = Yoshino River | subdivision_type1 = Country | subdivision_name1 = Japan | length = {{convert|55|km|mi|abbr=on}} | source1_elevation = {{convert|1732|m|ft|abbr=on}} | mouth_elevation = | discharge1_avg = {{convert|500|m3/s|cuft/s|abbr=on}} | basin_size = {{convert|280|km2|sqmi|abbr=on}} }} The {{nihongo|Dōzan River|銅山川|Dōzan-gawa}} is the largest branch of the Yoshino River and flows through Ehime and Tokushima prefectures in Japan.[1] Its name was derived from the Besshi copper mine that is now closed. In Tokushima Prefecture, it is called the Iyo River (伊予川 Iyo-gawa).[2] GeographyThe rivers originates Mount Kanmuri on the borders of Ehime and Kōchi prefectures. It then flows through Shikokuchūō in Ehime Prefecture and Miyoshi in Tokushima Prefecture, before joining with the Yoshino River. HistoryIn 1900, poisons from the various minerals excavated at the nearby copper mine seeped into the river, poisoning the local populations downstream. References1. ^http://www.skr.mlit.go.jp/tokushima/yoshinoriver/doc/090827final/plan_yoshinoriver.pdf (Japanese) {{Rivers of Japan}}{{DEFAULTSORT:Dozan River}}{{Japan-river-stub}}2. ^四国中央市の文化財 「金砂湖及び富郷渓谷」 (Japanese) 2 : Rivers of Ehime Prefecture|Rivers of Tokushima Prefecture |
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