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An undated photo shows quagga mussels attached to sandstone ricks on the shore of Lake Powell. the invasive mussels can easily spread to other water sources, warns NPS. (Photo/NPS)


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An invasive mussel that has taken up residence in Lake Powell on the Colorado River is threatening Utah’s push to develop a $1.8 billion pipeline to deliver water to fast-growing areas.

By Associated Press July 16, 2019
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