Interview with Forest Genetics Research Project leader Roy Silen recorded by historian Max Geier for use in the writing of his book, "Necessary Work: Discovering Old Forests, New Outlooks, and Community on the H.J. Andrews Experimental Forest, 1948-2000." (U.S. Forest Service, 2007)

Digitized from a microcassette original held in the H.J. Andrews Experimental Forest Oral History Collection (OH 28), Special Collections and Archives Research Center, Oregon State University Libraries.