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Seismic Survey Of Buried Bedrock Topography In The Cannon River Valley, Timothy D. Vick, Glenn Greilich, Geoffrey O. Seltzer
Seismic Survey Of Buried Bedrock Topography In The Cannon River Valley, Timothy D. Vick, Glenn Greilich, Geoffrey O. Seltzer
Journal of the Minnesota Academy of Science
A seismic survey of the Cannon River Valley between Northfield and Cannon Falls, Minnesota, revealed the presence of a 30-meter deep buried river valley under or near the Cannon River. The buried channel emanates from the Spring Creek Valley in Northfield, makes a 90-degree turn to the northeast at the confluence of Spring Creek and the Cannon River. and follows the Cannon to Cannon Falls. Buried tributary valleys appear to join the main buried channel at several locations. There may be buried tributary valleys or a network of abandoned Cannon River channels eroded into bedrock under the lake plain north …