Brown, B.A.2010-02-042010-02-041959-07-15Brown, B.A., (1959), "Factors Related to Upland-Brush Density in Natural Jack Pine Stands of North Central Minnesota", Minnesota Forestry Notes 80, School of Forestry, University of Minnesota0099-4332https://hdl.handle.net/11299/57221Published as Scientific Journal Paper Series No. 4183 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport