<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.1">
  <Folder>
    <name>World Geology by Era</name>
    <description>90ºx60º Tile 4</description>
    <GroundOverlay>
      <Icon>
        <href>http://www.impacttectonics.org/Earth/WPCG4.gif</href>
      </Icon>
      <LatLonBox>
        <north>90</north>
        <south>30</south>
        <east>180</east>
        <west>90</west>
        <rotation>0</rotation>
      </LatLonBox>
    </GroundOverlay>
  </Folder>
</kml>