<div class="description">
<dl><dd>Issued Mar. 1977</dd>
<dd>Bibliography: p. 8</dd></dl><br>Subjects: Spruce bark beetles Control; Engelmann spruce Diseases and pests Control</div>
<div class="fn value">
<dl><dd>Schmid, J. M. cn</dd>
<dd>Rocky Mountain Forest and Range Experiment Station (U.S.) cn</dd>
<dd>United States. Forest Service. cn</dd></dl></div>
Internet Archive identifier