<div class="description">
<dl><dd>Caption title</dd>
<dd>"November 1963."</dd>
<dd>Includes bibliographical references</dd>
<dd>A 40-acre tract was managed for 13 years to demonstrate that a small tract can produce an annual income from thinnings, while maintaining or even increasing the potential growth of the land</dd></dl><br>Subjects: Douglas fir Thinning Washington (State) Grays Harbor County; Douglas fir</div>
<div class="fn value">
<dl><dd>Worthington, Norman P., 1903-</dd>
<dd>Pacific Northwest Forest and Range Experiment Station (Portland, Or.)</dd></dl></div>
Internet Archive identifier