diff --git a/cave_data/1623-204.html b/cave_data/1623-204.html
index cd0f0d057..c9a32b38d 100644
--- a/cave_data/1623-204.html
+++ b/cave_data/1623-204.html
@@ -71,11 +71,11 @@ the form documented at
 
 <explorers></p><ul><li>CUCC 1999 to length 1365m, depth 226m</li><li>CUCC 2000 to 2.5km, depth 368m</li><li>CUCC 2001 to 4.7km, depth 368m</li><li>CUCC 2002 to 5.3km, depth 454m</li><li>CUCC 2003 to 7.2km, depth 510m</li><li>CUCC 2004 to length 9.1km,  depth 542m</li><li>CUCC 2005 to length 11.7km, depth 542m</li></ul><p></explorers>
 <survex_file>caves-1623/204/204.svx</survex_file>
-<underground_description></p><ul><li><a href="/1623/204/entrance.html">Entrance and The Near End passages</a></li><li><a href="/1623/204/midlevel.html">Mid-level passages (including Wolpertinger Way)</a></li><li><a href="/1623/204/ariston.html">Deep routes via the Ariston Series</a></li><li><a href="/1623/204/nopain.html">No Pain No Gain, Pleasuredome, and Millennium Dome / White Elephant area</a></li><li><a href="/1623/204/treeumphant.html">Trunk way through Treeumphant Passage to Cave Tree Chamber and beyond</a></li><li><a href="/1623/204/swings.html">Swings and Roundabouts area</a></li><li><a href="/1623/204/rhino.html">Rhino Rift</a></li><li><a href="uworld.html">The Underworld</a></li><li><a href="/1623/204/convenience.html">Convenience Series</a></li><li><a href="/1623/204/subsoil.html">Subsoil</a></li><li><a href="subway.html">Subway Series</a></li><li style="margin-top: 1em"><a href="/1623/204/atoz.html">Glossary of passage names</a></li><li><a href="/1623/204/gallery.html">Photo gallery</a></li></ul><p>
-<a href='/1623/204/l/plan2006-extract.html'><img src='/1623/204/i/plan2006-extract.jpg' width=40% /></a>&nbsp;</underground_description>
+<underground_description></p><ul><li><a href="/1623/204/entrance.html">Entrance and The Near End passages</a></li><li><a href="/1623/204/midlevel.html">Mid-level passages (including Wolpertinger Way)</a></li><li><a href="/1623/204/ariston.html">Deep routes via the Ariston Series</a></li><li><a href="/1623/204/nopain.html">No Pain No Gain, Pleasuredome, and Millennium Dome / White Elephant area</a></li><li><a href="/1623/204/treeumphant.html">Trunk way through Treeumphant Passage to Cave Tree Chamber and beyond</a></li><li><a href="/1623/204/swings.html">Swings and Roundabouts area</a></li><li><a href="/1623/204/rhino.html">Rhino Rift</a></li><li><a href="uworld.html">The Underworld</a></li><li><a href="/1623/204/convenience.html">Convenience Series</a></li><li><a href="/1623/204/subsoil.html">Subsoil</a></li><li><a href="subway.html">Subway Series</a></li><li style="margin-top: 1em"><a href="/1623/204/atoz.html">Glossary of passage names</a></li><li><a href="/1623/204/gallery.html">Photo gallery</a></li></ul><p></underground_description>
 <equipment></equipment>
 <references></references>
-<survey></p> <ul> <li><a href="/expofiles/surveys/204/plan2006.png">Plan, post-2006 Expo</a> [3108k; 6696x12126 pixels, colour] or <a href="/1623/204/surveys/plan2006BW.png">greyscale version</a> [570k; 1410x2554 pixels]</li> <li><a href="/expofiles/surveys/204/plan2005.png">Plan, post-2005 Expo</a> [2696k; 4234x7000 pixels, colour] or <a href="/1623/204/surveys/plan2005.svg.gz">1601k gzipped SVG</a> or <a href="/expofiles/surveys/204/plan2005.pdf">8898k PDF</a></li> <li><a href="/expofiles/surveys/204/plan2004.png">Plan, post-2004 Expo</a> [1497k; 5722x10764 pixels, colour]</li> <li><a href="/1623/204/surveys/plan2003.png">Plan, post-2003 Expo</a> [760k; 3654x5699 pixels, colour]</li> <li><a href="/expofiles/surveys/204/plan2002.png">Plan, post-2002 Expo</a> [702k; approx 2400x3200 pixels, greyscale] or <a href="/1623/204/surveys/plan2002.ps.gz">1.8M gzipped postscript</a></li> <li><a href="/1623/204/surveys/plan2001.png">Plan, post-2001 Expo</a> [511k; approx 2500x3500 pixels, greyscale]</li> <li><a href="/1623/204/surveys/plan2000.png">Plan, post-2000 Expo</a> [79k; approx 2300x3300 pixels, monochrome]</li> <li><a href="/1623/204/surveys/elev2000.png">Elevation, post-2000 Expo</a> [22k; approx 1900x2200 pixels, monochrome]</li> <li><a href="/1623/204/surveys/plan1999.gif">Plan, post-1999 Expo</a> [26k; approx 582x783 pixels, greyscale]</li> <li><a href="/1623/204/surveys/elev1999.gif">Elevation, post-1999 Expo</a> [16k; approx 432x586 pixels, greyscale]</li> </ul><p></survey>
+<survey></p> <ul> <li><a href="/expofiles/surveys/204/plan2006.png">Plan, post-2006 Expo</a> [3108k; 6696x12126 pixels, colour] or <a href="/1623/204/surveys/plan2006BW.png">greyscale version</a> [570k; 1410x2554 pixels]</li> <li><a href="/expofiles/surveys/204/plan2005.png">Plan, post-2005 Expo</a> [2696k; 4234x7000 pixels, colour] or <a href="/1623/204/surveys/plan2005.svg.gz">1601k gzipped SVG</a> or <a href="/expofiles/surveys/204/plan2005.pdf">8898k PDF</a></li> <li><a href="/expofiles/surveys/204/plan2004.png">Plan, post-2004 Expo</a> [1497k; 5722x10764 pixels, colour]</li> <li><a href="/1623/204/surveys/plan2003.png">Plan, post-2003 Expo</a> [760k; 3654x5699 pixels, colour]</li> <li><a href="/expofiles/surveys/204/plan2002.png">Plan, post-2002 Expo</a> [702k; approx 2400x3200 pixels, greyscale] or <a href="/1623/204/surveys/plan2002.ps.gz">1.8M gzipped postscript</a></li> <li><a href="/1623/204/surveys/plan2001.png">Plan, post-2001 Expo</a> [511k; approx 2500x3500 pixels, greyscale]</li> <li><a href="/1623/204/surveys/plan2000.png">Plan, post-2000 Expo</a> [79k; approx 2300x3300 pixels, monochrome]</li> <li><a href="/1623/204/surveys/elev2000.png">Elevation, post-2000 Expo</a> [22k; approx 1900x2200 pixels, monochrome]</li> <li><a href="/1623/204/surveys/plan1999.gif">Plan, post-1999 Expo</a> [26k; approx 582x783 pixels, greyscale]</li> <li><a href="/1623/204/surveys/elev1999.gif">Elevation, post-1999 Expo</a> [16k; approx 432x586 pixels, greyscale]</li> </ul><p>
+<a href='/1623/204/l/plan2006-extract.html'><img src='/1623/204/i/plan2006-extract.jpg' width=40% /></a>&nbsp;</survey>
 <notes></notes>
 <length></length>
 <depth></depth>