Olympic National Park spokeswoman Barb Maynes says explosives were used Saturday to further lower the dam that was once 210 feet tall.
It's being removed in a $325 million project to restore the river as salmon habitat. The 108-foot Elwha Dam came down in March 2012.
By September 2014, after the project is finished, the Elwha River is expected to flow freely as it courses from the Olympic Mountains to the Strait of Juan de Fuca.
The work on the dam was postponed last October because of sediment clogging the Elwha water treatment plant, which supplies the city of Port Angeles.
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