Brown, B.A.2010-02-092010-02-091963-07-15Brown, B.A., (1963), "Improvement Cutting in a 46 Year Old White Pine Plantation", Minnesota Forestry Notes 131, School of Forestry, University of Minnesota0099-4332https://hdl.handle.net/11299/57370Published as Scientific Journal Paper Series No. 5162 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport