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 ...

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 ...

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.

Here is another history lesson about Montana ice jams: Glacial Lake Missoula was essentially formed by a massive ice jam, known as an ice dam, that blocked the flow of the Clark Fork River near ...

Idaho's Panhandle is a special and unique part of the country, full of serene glacial lakes that are the remnants of Lake Missoula and an ice age flood across the Pacific Northwest.

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 ...