Spurr, Stephen H.Allison, J.H.2010-01-072010-01-071952-10-15Spurr, S.H. and Allison, J.H., (1952), "Growth of Mature Red Pine ", Minnesota Forestry Notes 9, School of Forestry, University of Minnesota0099-4332https://hdl.handle.net/11299/56274Published as Scientific Journal Series Paper No. 2911 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport