<GDAL_WMS>
    <Service name="WMS">
        <Version>1.3.0</Version>
        <ServerUrl>http://planetarymaps.usgs.gov/cgi-bin/mapserv?map=/maps/mars/mars_simp_cyl.map</ServerUrl>
        <CRS>EPSG:4326</CRS>
        <ImageFormat>image/png</ImageFormat>
        <Layers>MDIM21_color</Layers>
        <Transparent>TRUE</Transparent>
    </Service>
    <DataWindow>
        <UpperLeftX>-180.0</UpperLeftX>
        <UpperLeftY>90.0</UpperLeftY>
        <LowerRightX>180.0</LowerRightX>
        <LowerRightY>-90.0</LowerRightY>
        <SizeX>2048</SizeX>
        <SizeY>1024</SizeY>
        <YOrigin>bottom</YOrigin>
    </DataWindow>
</GDAL_WMS>
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