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Great Springs (Russian: Большие родники) - is a natural monument listed among the protected areas of Ulyanovsk Oblast. The spring, located in the middle of the settled area, contains high-quality water. Polluting the spring is forbidden, as are economic or industrial activity within the protected zone. Cleaning the bed of the spring is permitted. The streams feed the rivers of the area and provide water for the population. Due to lack of funding, no research or scientific experiments are conducted at the spring. ==References== * http://eco.ulstu.ru * http://ulnat.by.ru/ 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「Great Springs」の詳細全文を読む スポンサード リンク
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