"Close to 40 percent of Puget Sound's shorelines have been covered in concrete or otherwise walled off from the tides. State officials say restoring the health of Puget Sound will require removing some of those walls. But it's local governments that control the shore, and property owners want to build more seawalls as coastal developments expand."
"Puget Sound's Altered Shores"
Source: KUOW, 03/23/2010