Soo Line Historical and Technical Society’s Convention Page 1988 SLHTS Convention Photo by Mike Polsgrove –Return to LaRue–The SLHTS 2025 Convention will be in the Wisconsin Dells.For our 46th annual convention we will return to the scenic Wisconsin Dells and near-by Mid-Continent Railway Museum.September 11-14, 2025 Click here for Convention Registration Form Up coming Convention Schedule.Subject to change2026, Back to Gladstone, Island Resort, Harris, MI2027 50th Anniversary Convention, Duluth, MN 2024 Convention Group Shot (comming soon), Gladstone, WI Gladstone, MI Photo by Mike Polsgrove 2023 Convention Group Shot, Rhinelander, WI 1979 Convention Group Shot, Fond-du-lac, WI Past Convention Information List of all past SLHTS annual meetings/conventions 2019 Wisconsin Dells, WI Convention Schedule2018 Stevens Point, WI Convention Schedule2017 Minot, ND Convention Schedule2016 Duluth, MN Convention Schedule2015 Hudson, WI Convention Schedule2004 Wisconsin Dells, WI Convention Schedule2002 Stevens Point, WI Convention Schedule2000 Hudson, WI Convention Schedule1993 Fond-du-lac, WI Convention Schedule1988 Wisconsin Dells, WI Convention Schedule1979 Fond-du-lac Convention Schedule