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By "Western forestry and conservation association. "
Practical forestry in the Pacific northwest; protecting existing forests and growing new ones, from the standpoint of the public and that of the lumberman, with an outline of technical methods. By E.T. Allen...
By: Allen, Edward Tyson, - Western forestry and conservation association.
Publication info: Portland, Or. :Issued by the Western forestry & conservation association,1911.
Contributed by: University of California Libraries (archive.org)