diff --git a/years/2024/logbook.html b/years/2024/logbook.html
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--- a/years/2024/logbook.html
+++ b/years/2024/logbook.html
@@ -544,7 +544,7 @@ Anyway I parked the bike at the "No Cycling" notice at the bottom of the track u
 
 <img src="/expofiles/photos/2024/AnthonyDay/mysterious-crash-wreckage.jpg" style="transform:rotate(270deg); object-fit:contain; object-position: left top;" width=400px height=400px>
 
-<p>Our first target was to find the entrance to 1623/261. This is a fairly insignificant cave: <100m long, <50m deep. The interesting feature is that the cave is aligned with development in deep Balkonh&ouml;hle, specifically Charon, so I was interested to discover if there were any obvious similarly aligned surface features. Sure enough, the 1623/261 entrance was found to be in the side of a chossy gully. We didn't have a compass, so cannot confirm the alignment, but it seems highly probable that this surface feature is related to development of 1623/261 and deep Balkonh&ouml;hle. (There is another similarly aligned ARGE cave - Haldenloch (appears not to have a number) - that is further away to the northeast that we didn't visit.)</p>
+<p>Our first target was to find the entrance to 1623/261. This is a fairly insignificant cave: &lt;100m long, &lt;50m deep. The interesting feature is that the cave is aligned with development in deep Balkonh&ouml;hle, specifically Charon, so I was interested to discover if there were any obvious similarly aligned surface features. Sure enough, the 1623/261 entrance was found to be in the side of a chossy gully. We didn't have a compass, so cannot confirm the alignment, but it seems highly probable that this surface feature is related to development of 1623/261 and deep Balkonh&ouml;hle. (There is another similarly aligned ARGE cave - Haldenloch (appears not to have a number) - that is further away to the northeast that we didn't visit.)</p>
 
 <img src="/expofiles/photos/2024/AnthonyDay/surface-gulley-near-1623_261-looking-south.jpg" width=40%>
 <div class="timeug">T/U: 0.5 hours</div>