Here are the dungeons that re-use the Oogothl Sprawl overland map and The Unknown overland map.
Code:
<ImageStyle Name="exp22_dun_sprawl_01" displayname="Oogothl Sprawl: Ver'Bohten Atoll" zonerect="-1532, -1160, 1432, 1052" >
<ImageFrame Source="images/maps/map_exp22_rgn_sprawl.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp22_dun_sprawl_02" displayname="Oogothl Sprawl: Coral Roost" zonerect="-1532, -1160, 1432, 1052" >
<ImageFrame Source="images/maps/map_exp22_rgn_sprawl.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp22_dun_unknown_01" displayname="The Unknown: Sacrificial Pursuits" zonerect="-1616, -1436, 2470, 1542" >
<ImageFrame Source="images/maps/map_exp22_rgn_unknown.dds" SourceRect="0,0,800,600" />
</ImageStyle>
<ImageStyle Name="exp22_dun_unknown_02" displayname="The Unknown: Edge of Oblivion" zonerect="-1616, -1436, 2470, 1542" >
<ImageFrame Source="images/maps/map_exp22_rgn_unknown.dds" SourceRect="0,0,800,600" />
</ImageStyle>