Shinglebolt Slough Shinglebolt Slough - Side Channel Restoration An update from Brett Gaddis on the side channel restoration of Shinglebolt Slough.To learn more about the Sustainable Lands Strategy of Snohomish County visi... Snohomish BasinKari QuaasJanuary 7, 2021Shinglebolt Slough, side channel, restoration, Snohomish County, tour Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0 0 Likes