1. Map showing recent and historic landslide activity on coastal bluffs of Puget Sound between Shilshole Bay and Everett, Washington [computer file] Yale Public content 2000. 2002-06-01T04:00:00Z. 2011-03-29T17:07:48Z. Geological Survey (U.S.). The Survey. English. Public. Washington (State) and Puget Sound.