Glacier defender Easton Kauffman (19) celebrates after recovering a fumble in the first half against Missoula Sentinel at Legends Stadium on Thursday, Oct. 19. (Casey Kreider/Daily Inter Lake) ...

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 ...

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 ...

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 ...

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 ...

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.