Permeable Dike, Columbia River, Along Hwy 4, near Cathlamet, Washington
Permeable Dike in Columbia River Along Highway 4 near Cathlamet, Washington. Wake zone behind the dike and a shear layer emanating from near edge of the dike and from the edge of the light pier.
Permeable Dike in Columbia River Along Highway 4 near Cathlamet, Washington. Wake zone behind the dike and a shear layer emanating from near edge of the dike and from the edge of the light pier.
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