<div class="description">
<dl><dd>Cover title</dd>
<dd>Includes bibliographical references (p. 19)</dd></dl><br>Subjects: Experimental forests Pennsylvania; Forests and forestry Research Pennsylvania</div>
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<dl><dd>Northeastern Forest Experiment Station (Radnor, Pa.)</dd>
<dd>Forestry Sciences Laboratory (Delaware, Ohio)</dd></dl></div>
Internet Archive identifier