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Restoring muddy creek

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轉寄 列印
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人氣指樹
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"Streams are an important part of our world. They are the source of drinking water for countless plants and animals. But many streams are eroding. This hurts the wildlife that depends on them. In Maryland, there is a huge effort to restore Muddy Creek. Find out what caused Muddy Creek to erode and the many steps involved in saving it."--

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