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June 4, 2008 | 12:00 a.m. CDT
Mark Coggeshall, a research analyst at MU's Horticulture and Agroforestry Research Center, demonstrates grafting part of a bur oak onto another bur oak on May 30. Although Coggeshall is not grafting wood from McBaine's champion bur oak, the process is the same.

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