New River-Mouth Delta

USGS hydrologic technician Andrew Spanjer walks along a newly deposited sand and gravel beach at the mouth of the Elwha River, Washington. In the first two years of the largest dam-removal project United States history, the Elwha River deposited 3-4 million cubic yards in a growing offshore delta. The USGS is measuring turbidity, surveying sediment accumulation, and monitoring responses of the offshore marine ecosystem as Elwha River sediment delivery to Puget Sound is restored.

Elwha River (near Port Angeles, WA).