June 1952 (age 53)
Sigurd spoke to Wisconsin's Conservation Commission on behalf of preserving the Flambeau River. (For more on this issue, see "This Month in Olson History" for December 1952.)
June 1967 (age 68)
Nothing to report.
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June 1952 (age 53) Sigurd spoke to Wisconsin's Conservation Commission on behalf of preserving the Flambeau River. (For more on this issue, see "This Month in Olson History" for December 1952.)
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June 1967 (age 68) Nothing to report.
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