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Brandywine Creek〔United States Geological Survey Hydrological Unit Code: 02-04-02-05- Brandywine-Christina Watershed〕 (also called the Brandywine River) is a tributary of the Christina River in southeastern Pennsylvania and northern Delaware in the United States. The Lower Brandywine (the main stem) is long〔U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. (The National Map ), accessed April 1, 2011〕 and is a designated Pennsylvania Scenic River with several tributary streams. The East Branch and West Branch of the creek originate within of each other on the slopes of Welsh Mountain in Honey Brook Township, Pennsylvania, about northwest of their confluence. The mouth of the creek on the Christina River in present-day Wilmington, Delaware, is the site of the New Sweden colony, where colonists first landed on March 29, 1638. The Battle of Brandywine was fought around the creek near Chadds Ford, Pennsylvania, on September 11, 1777, during the American Revolution. Water powered gristmills in Brandywine Village, near the creek mouth, and the nearby DuPont gunpowder mill were important in developing American industry before the introduction of steam power. ==Course== The headwaters of both the East Branch〔USGS Station 〕 and West Branch〔USGS Station & 〕 Delaware County, Pennsylvania then enters the state of Delaware about north of Wilmington. The creek continues south through First State National Historical Park and Brandywine Creek State Park, into Wilmington,〔 & 〕 basins, and finally discharges into the Delaware River estuary.〔[http://waterdata.usgs.gov/pa/nwis/uv/?site_no=01482800[01482800] USGS Station]〕 The confluence of the Christina and Delaware rivers is the approximate dividing point between the freshwater Delaware River and the saltwater Delaware Bay. In Pennsylvania, Chadds Ford, Elam, Downingtown, Unionville, and parts of West Chester, are all in the Brandywine Valley, as well as the Delaware towns of Centreville, Greenville, Montchanin, Hockessin, and Yorklyn. Nearby Avondale (in the White Clay Creek basin) and Kennett Square, Pennsylvania (in the Red Clay Creek basin) are often considered part of the Brandywine Valley.〔 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「Brandywine Creek (Christina River)」の詳細全文を読む スポンサード リンク
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