<div class="description">
<dl><dd>Bibliography: p. 27</dd>
<dd>2 11 14 38</dd></dl><br>Subjects: Siliceous rocks; Geology; Silicates; Rocks</div>
<div class="fn value">
<dl><dd>Rigg, Tyson, 1928-</dd>
<dd>Wagenbauer, H. A., author</dd>
<dd>Alberta Research Council</dd></dl></div>
Internet Archive identifier