WCHS plans tour of Glacial Lake

Whitman County Historical Society is planning another Ice Age Flood tour May 19-20. The tour travels to the locations of Ancient Glacial Lake Missoula and its outlet through Idaho and the Spokane Valley. The trip will include bus transportation, lunch for both days, and overnight accommodations in Missoula.

Features of the trip are backwater flood deposits along the Clearwater River, the Bitteroot Arm of Glacial Lake Missoula, wave cut beaches above Missoula, sandbars high above today’s water level along the Clark Fork River, Lake Pend Oreille, and flood-deposited gravel along Hangman Creek. R...