36 pages; includes photographs and drawings. This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.
Lofgren, J. A.; Johnson, H. G.; Eisel, M. C.; Smith, Marvin E.; McKinnon, J. P..
Evergreens (revised 1968).
University of Minnesota. Agricultural Extension Service.
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