Institute on Lake Superior Geology. Wisconsin State University, Superior, Wisonsin. May 6-7, 1968.

Institute on Lake Superior Geology. Michigan State University, East Lansing, Michigan. May 1-2, 1967.

Institute on Lake Superior Geology. Michigan Technological University, Sault Ste. Marie, Michigan. May 6-7, 1966.

Institute on Lake Superior Geology. University of Minnesota, St. Paul, Minnesota. May 6-8, 1965.

Institute on Lake Superior Geology. Ishpeming, Michigan. May 6-9, 1964.

Institute on Lake Superior Geology. University of Minnestota, Duluth, Minnesota, May 2-3, 1963

Institute on Lake Superior Geology. University of Minnestota, Duluth, Minnesota, May 2-3, 1963

Institute on Lake Superior Geology. Michigan College of Mining & Technology, Houghton, Michigan. May 10-12, 1962

Institute on Lake Superior Geology, Lakehead Branch - Canadian Institute of Mining & Metallurgy, Port Arthur, Ontario. April 27-29, 1961

Institute on Lake Superior Geology, University of Wisconsin, Madison, Wisconsin. April 14-15, 1960