<div class="description">
<p>"June 1952."
</p>
<br>Subjects: Lumber Grading; Douglas fir Oregon; Timber Grading Oregon</div>
<div class="fn value">
<dl><dd>Matson, Elmer E</dd>
<dd>Pacific Northwest Forest and Range Experiment Station (Portland, Or.)</dd></dl></div>
Internet Archive identifier