Sullivan, E.T., (1959), "Trends in Growing Christmas Trees in Minnesota", Minnesota Forestry Notes 82, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 4274 of the Minnesota Agricultural Experiment Station.
This study was partially supported by funds made available under the North Central Marketing - 20 project.
Sullivan, Edward T..
Trends in Growing Christmas Trees in Minnesota.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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