Umpqua River near Coles Valley
Detailed Description
The main Umpqua River near Coles Valley. This section of river channel is composed of unconsolidated sediments called alluvium, which make up alluvial valleys.
Sources/Usage
Public Domain.
The main Umpqua River near Coles Valley. This section of river channel is composed of unconsolidated sediments called alluvium, which make up alluvial valleys.
Public Domain.