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