Allison, J.H. and Cole, C.L., (1956), "Growth of 60 Year-Old Norway (Red) Pine Plantation Trees in Northern Minnesota", Minnesota Forestry Notes 49, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 3532 of the Minnesota Agricultural Experiment Station.
Allison, J.H.; Cole, C.L..
Growth of 60 Year-Old Norway (Red) Pine Plantation Trees in Northern Minnesota.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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