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Major Clay Step features near Shorty's Island on the Kootenai River near Bonners Ferry, ID

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 06:08 AM | Dataset Last Updated: November 17, 2020 at 12:00 AM
The major clay step features are defined as having a vertical face that is greater than 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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