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<p>Bibliography: p. 116-117
</p>
<br>Subjects: Geology -- Bolivia Corocoro; Paleontology -- Bolivia Corocoro; Copper mines and mining -- Bolivia Corocoro</div>
<div class="fn value">
<dl><dd>Singewald, Joseph T. (Joseph Theophilus), 1884-1963</dd>
<dd>Berry, Edward Wilber, b. 1875</dd></dl></div>
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