| http://www.w3.org/ns/prov#value | - A satellite image could be a clue in determining whether river erosion was a factor in the fatal hillside collapse in Washington state, a landslide expert said.The undated image on the Google Earth website was apparently taken some time after the 2006 landslide in Oso forced engineers to construct a retaining wall along the Stillaguamish River, reported NBC affiliate KING5.
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