Marshall teacher aboard Lake Superior science immersion vesselhttps://www.hngnews.com/leader_independent/news/local/marshall-teacher-aboard-lake-superior-science-immersion-vessel/article_0905879f-06d7-4990-bd26-67bb41e300c2.html Publication Date 09/05/2026 Source Leader Independent Programs and Outreach Projects Shipboard Science Workshops Mention Type MNSG mention