Somebody needs to hack one of these signs and add an “Eleven” beyond “Extreme.”
We spent some time walking around the University of Montana campus looking for glacial Lake Missoula erratic boulders. The Roadside Geology of Montana said such rocks could be found in the oval. We didn’t find the boulders but we did get a good luck at the buildings on campus. This is the main clock tower. M’s are found on the mountains of all three Montana college towns: Bozeman, Butte, and Missoula.
During recent ice ages, glaciers blocked rivers from draining in the Missoula area. A very large glacial lake formed: Lake Missoula. The ice dam repeatedly broke spawning massive downstream floods. The lines on the hillside beside our motel mark ancient Lake Missoula shorelines. It’s rather surprising but these features are at least three times as old as the Pyramids in Egypt.