<div class="description">
<dl><dd>Includes bibliographical references and index</dd>
<dd>Publications of the California State Mining Bureau: p. 188-192</dd></dl><br>Subjects: Mines and mineral resources</div>
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<dl><dd>Bradley, Walter W. (Walter Wadsworth), b. 1878</dd>
<dd>California State Mining Bureau</dd></dl></div>
Internet Archive identifier