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Ebbing and Flowing Spring : ウィキペディア英語版 | Ebbing and Flowing Spring
Ebbing and Flowing Spring is a spring located in Hawkins County, Tennessee, near Rogersville, that is one of only two known springs in the world to exhibit tidal characteristics. ==Description== The spring is located on land that once belonged to Colonel Thomas Amis, father-in-law of Rogersville's founder, Joseph Rogers. It is referred to as "Sinking Spring" in a land grant given to Amis by the General Assembly of North Carolina for his services during the American Revolution. Amis settled the area in around 1780. His fort-like house is a few tenths of a mile from the spring. Ebbing and Flowing Spring is one of only two known springs in the world to exhibit tidal characteristics with a predictable regularity. During a period of 2 hours and 47 minutes, the spring's flow ranges from an indiscernible trickle to per minute. The water in Ebbing and Flowing Spring maintains a constant temperature of .
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「Ebbing and Flowing Spring」の詳細全文を読む
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