Dendrologist Oliver Matthews traveled extensively in Oregon for more than 40 years in pursuit of trees, particularly the biggest of each species. Subjects discussed include the Johnson fir; sport forms of trees; and unusual Oregon trees. Interview conducted by Walter McCulloch and Charlie Ross.

Digitized from an open reel audiotape held in the History of Oregon State University Oral Histories and Sound Recordings (OH 003), Special Collections and Archives Research Center, Oregon State University Libraries.