<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>Charles K. Paull</dc:contributor>
  <dc:contributor>Christopher G. Newhall</dc:contributor>
  <dc:creator>Lawrence J. Poppe</dc:creator>
  <dc:date>1981</dc:date>
  <dc:description>The U.S. Geological Survey (USGS), under the sponsorship of The Agency for International Development, in cooperation with Dartmouth College, collected 13 cores to study the sedimentation in two Guatemalan cauldera lakes, Atitlan and Ayarza.</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/ofr811333</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Geological Survey</dc:publisher>
  <dc:title>X-ray mineralogy of cores from two Guatemalan caldera lakes</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>