Marcie Sillman talks to David Montgomery, University of Washington geology professor, about his geological recommendations for the state after last year's Oso landslide and how much progress has been made since the slide.
On Saturday, March 22, a mile-wide mudflow devastated Oso, Wash., 55 miles north of Seattle. The massive damage and mounting casualties have rocked the small community between Arlington and Darrington.
A Year After Oso, More Detailed Hazard Maps Still Needed
Flickr Photo/Washington State DNR (CC-BY-NC-ND)
