<div class="description">
<dl><dd>Cover title</dd>
<dd>Distributed to depository libraries in microfiche</dd>
<dd>"December 1987"--P. [4] of cover</dd>
<dd>Includes bibliographical references (p. 6-7)</dd></dl><br>Subjects: Invertebrates Research Oregon; Stream ecology Oregon</div>
<div class="fn value">
<dl><dd>Porter, Pamela E</dd>
<dd>Meehan, William R</dd>
<dd>Pacific Northwest Research Station (Portland, Or.)</dd></dl></div>
Internet Archive identifier