<c id="MC250_c186" level="file">
  <did>
    <unittitle>Population Growth</unittitle>
    <unitid type="aspace_uri">/repositories/3/archival_objects/309689</unitid>
    <physdesc altrender="whole">
      <extent altrender="materialtype spaceoccupied">1 box</extent>
    </physdesc>
    <unitdate datechar="creation" normal="1970/1970" type="inclusive">1970</unitdate>
    <container altrender="scamudd" encodinganalog="NBox" id="6cd40e32244a75a2e4ba0295470facf2" label="Mixed Materials [32101106191990]" type="box">7</container>
  </did>
</c>