<div class="description">
<dl><dd>"August 1970."</dd>
<dd>Includes bibliographical references</dd></dl><br>Subjects: Seismic refraction method; Geology Arizona Cochise County; Groundwater Arizona Cochise County</div>
<div class="fn value">
<dl><dd>Libby, F</dd>
<dd>Wallace, D. E</dd>
<dd>Spangler, Daniel Patrick, 1934-</dd>
<dd>United States. Agricultural Research Service</dd></dl></div>
Internet Archive identifier