Davy Crockett Unified Command to begin cofferdam construction Friday

The barge, Davy Crocket, sits aground on the bank of the Columbia River near Camas, Wash. Photo by the Washington State Department of Ecology PORTLAND, Ore. — The Unified Command for operations to remove the barge Davy Crockett from the Columbia River will begin construction of a cofferdam around the vessel Friday. Contractors working on the response are mobilizing equipment and materials to...