<Layer>
<Title>Acme Corp. Map Server</Title>
<CRS>CRS:84</CRS>
<!-- all layers are available in at least this CRS -->
<AuthorityURL name="DIF_ID"> <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://gcmd.gsfc.nasa.gov/difguide/whatisadif.html" /> </AuthorityURL>
<Layer> <!-- This parent layer has a Name and can therefore be requested from a Map Server, yielding a map of all subsidiary layers. -->
<Name>ROADS_RIVERS</Name>
<Title>Roads and Rivers</Title>
<!-- See the spec to learn how some characteristics are inherited by subsidiary layers. -->
<CRS>EPSG:26986</CRS> <!-- An additional CRS for this layer --> <EX_GeographicBoundingBox>
<westBoundLongitude>-71.63</westBoundLongitude>
<eastBoundLongitude>-70.78</eastBoundLongitude> <southBoundLatitude>41.75</southBoundLatitude>
<northBoundLatitude>42.90</northBoundLatitude>
</EX_GeographicBoundingBox> <!-- The optional resx and resy attributes indicate the X and Y spatial resolution in the units of that CRS. -->
<BoundingBox CRS="CRS:84"
minx="-71.63" miny="41.75" maxx="-70.78" maxy="42.90" resx="0.01" resy="0.01"/> <BoundingBox CRS="EPSG:26986" minx="189000" miny="834000" maxx="285000" maxy="962000" resx="1" resy="1" />
<!-- Optional Title, URL and logo image of data provider. -->
<Attribution> <Title>State College University</Title> <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://www.university.edu/" />
<LogoURL width="100" height="100">
<Format>image/gif</Format>
<OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://www.university.edu/icons/logo.gif" /> </LogoURL> </Attribution> <!-- Identifier whose meaning is defined in an AuthorityURL element --> <Identifier authority="DIF_ID">123456</Identifier> <FeatureListURL> <Format>XML"</Format> <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://www.university.edu/data/roads_rivers.gml" /> </FeatureListURL> 
<Style>
<Name>USGS</Name>
<Title>USGS Topo Map Style</Title>
<Abstract>Features are shown in a style like that used in USGS topographic maps.</Abstract> 
<!-- A picture of a legend for a Layer in this Style --> <LegendURL width="72" height="72"> <Format>image/gif</Format> <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://www.university.edu/legends/usgs.gif" /> </LegendURL> <!-- An XSL stylesheet describing how feature data will rendered to create a map of this layer. --> <StyleSheetURL> <Format>text/xsl</Format> <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://www.university.edu/stylesheets/usgs.xsl" /> </StyleSheetURL> </Style>