https://www.usgs.gov/publications/preliminary-assessment-aggradation-potential-north-fork-stillaguamish-river-downstream
On March 22, 2014, the State Route 530 Landslide near Oso, Washington, traveled almost 2 kilometers (km), destroyed more than 40 structures, and impounded the...
the north forkpreliminaryassessmentaggradationpotential