<?xml version="1.0" encoding="UTF-8"?>
    <thredds:catalog xmlns:thredds="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"
                 xmlns:xlink="http://www.w3.org/1999/xlink"
                 xmlns:bes="http://xml.opendap.org/ns/bes/1.0#">
   <thredds:service name="dap" serviceType="OPeNDAP" base="/opendap/hyrax"/>
   <thredds:service name="file" serviceType="HTTPServer" base="/opendap/hyrax"/>
  <thredds:service name="WCS-coads" serviceType="WCS" base="/opendap/wcs"/>

        <thredds:dataset name="/S2K/01/Images" ID="/opendap/hyrax/S2K/01/Images/">
            <thredds:catalogRef name="Ocean_s2k_01" xlink:href="Ocean_s2k_01/catalog.xml"
                          xlink:title="Ocean_s2k_01"
                          xlink:type="simple"
                          ID="/opendap/hyrax/S2K/01/Images/Ocean_s2k_01/"/>
            <thredds:catalogRef name="s2k_01_and_Topaz" xlink:href="s2k_01_and_Topaz/catalog.xml"
                          xlink:title="s2k_01_and_Topaz"
                          xlink:type="simple"
                          ID="/opendap/hyrax/S2K/01/Images/s2k_01_and_Topaz/"/>
        </thredds:dataset>
    </thredds:catalog>