diff --git a/plateau/76/70sroute.htm b/plateau/76/70sroute.htm
index f1d9fef7c..2564fd525 100644
--- a/plateau/76/70sroute.htm
+++ b/plateau/76/70sroute.htm
@@ -96,7 +96,7 @@ are a number of going leads in this cave and you're welcome to them.
 
 <!-- LINKS -->
 <hr /><ul>
-<li><a href="76.html">Back to 76 index page</a></li>
+<li><a href="76.htm">Back to 76 index page</a></li>
 <li><a href="../../plateau/index.html#id76">Plateau area index and description</a></li>
 <li><a href="../../indxal.htm#id76">Full Index of 1623 Caves</a></li><li><a href="../../areas.htm">Other Areas</a></li>
 <li><a href="../../index.htm">Back to Expedition Intro page</a></li>
diff --git a/plateau/76/brave.htm b/plateau/76/brave.htm
index d5d50f79f..d2c74844a 100644
--- a/plateau/76/brave.htm
+++ b/plateau/76/brave.htm
@@ -141,7 +141,7 @@ candidate crack in the wall of Plugged Shaft has been noted.
 
 <!-- LINKS -->
 <hr /><ul>
-<li><a href="76.html">Back to 76 index page</a></li>
+<li><a href="76.htm">Back to 76 index page</a></li>
 <li><a href="../../plateau/index.html#id76">Plateau area index and description</a></li>
 <li><a href="../../indxal.htm#id76">Full Index of 1623 Caves</a></li><li><a href="../../areas.htm">Other Areas</a></li>
 <li><a href="../../index.htm">Back to Expedition Intro page</a></li>
diff --git a/plateau/76/entrance.htm b/plateau/76/entrance.htm
index 009472096..9ed91f5e5 100644
--- a/plateau/76/entrance.htm
+++ b/plateau/76/entrance.htm
@@ -26,7 +26,7 @@ onto a snow pile in a large aven chamber.
 
 <!-- LINKS -->
 <hr /><ul>
-<li><a href="76.html">Back to 76 index page</a></li>
+<li><a href="76.htm">Back to 76 index page</a></li>
 <li><a href="../../plateau/index.html#id76">Plateau area index and description</a></li>
 <li><a href="../../indxal.htm#id76">Full Index of 1623 Caves</a></li><li><a href="../../areas.htm">Other Areas</a></li>
 <li><a href="../../index.htm">Back to Expedition Intro page</a></li>
diff --git a/plateau/76/keg.htm b/plateau/76/keg.htm
index 3988cc8ca..64ab2f700 100644
--- a/plateau/76/keg.htm
+++ b/plateau/76/keg.htm
@@ -36,7 +36,7 @@ alternative route into Razor Prance, C2004-76-47A.
 
 <!-- LINKS -->
 <hr /><ul>
-<li><a href="76.html">Back to 76 index page</a></li>
+<li><a href="76.htm">Back to 76 index page</a></li>
 <li><a href="../../plateau/index.html#id76">Plateau area index and description</a></li>
 <li><a href="../../indxal.htm#id76">Full Index of 1623 Caves</a></li><li><a href="../../areas.htm">Other Areas</a></li>
 <li><a href="../../index.htm">Back to Expedition Intro page</a></li>
diff --git a/plateau/76/qmlist.htm b/plateau/76/qmlist.htm
index 963e1fa17..300055f3b 100644
--- a/plateau/76/qmlist.htm
+++ b/plateau/76/qmlist.htm
@@ -95,7 +95,7 @@ C2004-76-67 C Small possible passage beyond Follow Though Shaft pitch head (hard
 
 <!-- LINKS -->
 <hr /><ul>
-<li><a href="76.html">Back to 76 index page</a></li>
+<li><a href="76.htm">Back to 76 index page</a></li>
 <li><a href="../../plateau/index.html#id76">Plateau area index and description</a></li>
 <li><a href="../../indxal.htm#id76">Full Index of 1623 Caves</a></li><li><a href="../../areas.htm">Other Areas</a></li>
 <li><a href="../../index.htm">Back to Expedition Intro page</a></li>