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Minor Clay Step features near Myrtle Bend on the Kootenai River near Bonners Ferry, ID

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: February 10, 2026 | Last Modified: 2020-11-17T00:00:00Z
The minor clay step features are defined as having a vertical face that is less than or equal to 1.5 meters. The clay step features were qualitately identified using an underwater video monitoring sysyem. The extent and magnitude of the clay steps were mapped using a muliteam bathymetric echosounder system.

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