Nonnative Quagga Mussels Impacting Glen Canyon National Recreation Area

Though only about the size of a dime, nonnative shellfish from the other side of the world have infested Lake Powell at Glen Canyon National Recreation Area, where they are impairing beaches, encrusting some boats, and threatening the hydropower operations of the Glen Canyon dam. They also pose a threat to one of the National Park System's top economic drivers.
- By Kurt Repanshek - August 8th, 2018 2:00am