Forest Service Tunnel, Sediment Dam Concerns Raised; County Told Failure Could Flood Downstream Communities
Commissioners heard that core samples at a tunnel and sediment dam near Silver Lake showed poor soils (ash) and that Forest Service options will be expensive; staff warned a failure could produce catastrophic downstream flooding.
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County officials summarized recent technical work and Forest Service planning on a tunnel and sediment dam near Silver Lake that helps protect an older dam and downstream communities.
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