<div class="description">
<dl><dd>At head of title: Department of the Interior</dd>
<dd>Three col. maps and two illus. on 5 folded leaves in pocket</dd>
<dd>Includes bibliographical references (p. 38-57)</dd>
<dd>aut</dd>
<dd>1 9</dd></dl><br>Subjects: Ore deposits; Mines and mineral resources</div>
<div class="fn value">
<dl><dd>Butler, B. S. (Bert Sylvenus), b. 1877</dd>
<dd>Loughlin, G. F. (Gerald Francis), 1880-1946</dd>
<dd>Heikes, V. C. (Victor Conrad), 1867-</dd></dl></div>
Internet Archive identifier