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Date of Award
Master of Science in Geology (MS)
College, School or Department Name
Department of Geological and Mining Engineering and Sciences
In 2003, a large landslide occurred along the Ontonagon River, located in the Upper Peninsula of Michigan, and adjacent to US-45 in Ontonagon County. The failure took place during the springtime, when the river reached a peak discharge that was the second highest on record. The volume of the slide has been estimated to be approximately 1,400,000 cubic yards. The colluvium blocked the river, forcing a new channel to be carved around the debris. The landslide consisted of a silt layer at its base, overlain by a coarsening upward sand sequence, and finally a varved glacio-lacustrine clay with sparse dropstone inclusions making up the upper section of hillside.
Smith, Jessica, "LARGE SCALE LANDSLIDE ON THE ONTONAGON RIVER, MICHIGAN", Master's report, Michigan Technological University, 2012.