Save the Date for Soil School! Posted on December 3, 2018 by mcintyma | Leave a reply Save the Date! West Multnomah Soil and Water Conservation District’s Soil School Saturday, April 13, 2019 *Soil School earns OSU Master Gardener continuing garden education credit. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)