<div class="description">
<dl><dd>Caption title</dd>
<dd>"Canusa, Canada, United States Spruce Budworm Program"--Page 4</dd>
<dd>"May 1981."</dd>
<dd>Includes bibliographical references (page 4)</dd></dl><br>Subjects: Caterpillars Identification; Douglas fir Diseases and pests</div>
<div class="fn value">
<dl><dd>Carolin, V. M. (Valentine M.), 1918-</dd>
<dd>Stevens, Robert E., 1928-</dd>
<dd>Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)</dd></dl></div>
Internet Archive identifier