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Dr. William Hess placing disc flower (on stage) into the sputter coater1986
Kohout, John
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Dr. William Hess working in Herbarium with assistant, Patti Levenz
Article
Ernest J. Palmer – The Morton Arboretum ConnectionDecember 21 1987 – March 20 1988
Hess, William J.
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Ray Schulenberg in Herbarium with Cathy Ciolac studying specimen
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Ray Schulenberg with Cathy Ciolac studying specimens in Herbarium