LAKE COMO – It’s hard to imagine now. A huge lake formed behind a 2,000-foot-high, 35-mile-wide ice dam that blocked the Clark Fork River near the Montana and Idaho border. Glacial Lake ...

In effect, Glacial Lake Missoula was a 160 trillion-gallon hydraulic cannon with a glacier cork in its nozzle. Once the lake was deep enough, the cork broke free from the ground.

On Saturday, Sept. 18, the group will sponsor a Glacial Lake Missoula field trip. Again open to all comers (for a fee), the trip runs from 8 a.m. to 6 p.m., and will be led by geologist Norm ...

Feb. 1—WENATCHEE — The Wenatchee Valley Erratics Chapter of the Ice Age Floods Institute will host a talk on a pioneer in the geology of the Columbia Basin, according to an announcement from ...

A huge lake formed behind a 2,000-foot-high, 35-mile-wide ice dam that blocked the Clark Fork River near the Montana and Idaho border. Glacial Lake Missoula stretched north into the Flathead and ...