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Big Black River is a river in the U.S. state of Mississippi and a tributary of the Mississippi River. Its origin () is in Webster County near the town of Eupora in the north central part of the state. From there it flows in a generally southwest direction until it merges with the Mississippi River south of the city of Vicksburg.〔''The American Heritage Dictionary of the English Language'', Fourth Edition copyright ©2000 by Houghton Mifflin Company〕 It is the major contributor to the Big Black River Basin. It forms the eastern border of Holmes County and the northern border of Claiborne County. The Big Black River and most of its tributaries are silt-filled. The rivers carry large amounts of suspended sediment, resulting mostly from agricultural runoff. These tributaries are slow-flowing muddy streams. However, some are swift-flowing with sandy bottoms.〔(【引用サイトリンク】title=The Big Black River Basin )〕 The Battle of Big Black River Bridge, fought during the Battle of Vicksburg, was part of the Vicksburg Campaign in the American Civil War.〔(【引用サイトリンク】title=Big Black River Bridge )〕 ==Big Black River Basin== The size of the Big Black River Basin drainage area is . Its elevation varies from 50 to 650 feet (14 to 198 meters) above sea level. It is long and averages 22 to 25 miles wide. Most of its small tributaries are in the upper part of the basin and flow only part of the year. The terrain is hilly with 56% of the land forested and 39% used for farming and cattle ranching.〔 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「Big Black River (Mississippi)」の詳細全文を読む スポンサード リンク
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