The Institute on Lake Superior Geology is a non-profit professional society with the objectives of providing a forum for exchange of geological ideas and scientific data and promoting better understanding of the geology of the Lake Superior region. The major activity of the Institute is an Annual Meeting with geological field trips and technical presentations.

http://www.lakesuperiorgeology.org/

45th meeting, 1999 held in Marquette. http://lakesuperiorgeology.org/1999_Report/1999_Report.html