The Powell River, a tributary of the Tennessee, was devastated in 1996 by spills of coal-mine sludge, which, among other things, drastically shrank the range of the threatened yellowfin madtom.

田纳西河支流之一的鲍威尔河曾在1996年由于煤矿淤泥泄漏遭污染，这一事故连同其他一些因素的影响，导致濒危物种黄鳍连尾的分布范围骤减。

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For most of the past century, agriculture has been the winner of the water wars, receiving the great bulk of water from the Colorado River and its two large reservoirs at Lake Mead and Lake Powell.

NPR: Struggling over Water: A Series Overview