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The Annisquam River is a tidal, salt-water estuary in Annisquam and Gloucester, Massachusetts, connecting Annisquam Harbor on the north to Gloucester Harbor on the south. The segment between Gloucester Harbor and the Newburyport/Rockport Line bridge is also known as the Blynman Canal. The estuary is about long, navigable, and open to the ocean at both ends. Its surface area is . The name "Annisquam" comes from an Algonquian term meaning "top of the rock, containing '' There are only three fixed crossings of the river: Massachusetts Route 128, the Rockport Branch of the MBTA Newburyport/Rockport Line, and Western Avenue (Massachusetts Route 133). There are strong tidal currents in the river, and unusually the current flows in opposite directions at the two ends.〔http://tidesandcurrents.noaa.gov/currents15/tab2ac2.html〕 == References == *(【引用サイトリンク】url=http://www.nae.usace.army.mil/water/topic.asp?mytopic=navgloucester ) * * 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「Annisquam River」の詳細全文を読む スポンサード リンク
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