<?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>Augusta Warden</dc:contributor>
  <dc:contributor>T.A. Daws</dc:contributor>
  <dc:contributor>P. G. Lillis</dc:contributor>
  <dc:contributor>G.E. Michael</dc:contributor>
  <dc:contributor>M. Dawson</dc:contributor>
  <dc:creator>J.L. Clayton</dc:creator>
  <dc:date>1992</dc:date>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/b1917K</dc:identifier>
  <dc:language>en</dc:language>
  <dc:title>Organic geochemistry of black shales, marlstones, and oils of Middle Pennsylvanian rocks from the northern Denver and southeastern Powder River basins, Wyoming, Nebraska, and Colorado</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>