In late June 1998, a severe thunderstorm affected much of the Cannon River watershed, including Spring Creek, which runs through the Carleton campus. Abutments of the Highway 19 bridge over the Creek were damaged, destroying part of the roadway and causing a semi-trailer to get stuck. Further upstream, a few houses were flooded, banks were eroded and an enormous amount of sediment was moved. By late January, the College was beginning to consider a protracted and expensive project to "repair" eroding streambanks on College property upstream of Lyman Lakes. Working out the details was a perfect project for the thirteen-student Advanced Geomorphology class in the spring, which was to focus on watershed analysis and a long-term monitoring network for Spring Creek.
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