<div class="description">
<dl><dd>Caption title</dd>
<dd>Includes bibliographical references (p. 4)</dd></dl><br>Subjects: Sap; Sugar maple Tapping</div>
<div class="fn value">
<dl><dd>Gabriel, William J</dd>
<dd>Walters, Russell S</dd>
<dd>Seegrist, Donald W</dd>
<dd>Northeastern Forest Experiment Station (Radnor, Pa.)</dd>
<dd>United States. Forest Service</dd></dl></div>
Internet Archive identifier