A Pleistocene Ice Sheet in the Northern Boulder Mountains, Jefferson, Powell, and Lewis and Clark Counties, Montana

A Pleistocene Ice Sheet in the Northern Boulder Mountains, Jefferson, Powell, and Lewis and Clark Counties, Montana A Descriptive Report of the Glacial Geology in the Northern Part of the Boulder Mountains, Montana

Edward Thompson Ruppel, Charles William Carlston, Robert Roy Coats, Jack Edward Harrison, John Patrick Albers, Nels Paul Peterson, Warren Bell Hamilton — 1963

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