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Logbook edited 2024-07-15c

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@ -542,11 +542,28 @@ Anyway I parked the bike at the "No Cycling" notice at the bottom of the track u
<p>In the course of our wanderings, we came across an interesting rusty artefact. The base camp brains trust reckons this to be a reserve fuel tank likely jettisoned from a second world war era plane.</p>
<img src="/expofiles/photos/2024/AnthonyDay/mysterious-crash-wreckage.jpg" width=40%>
<img src="/expofiles/photos/2024/AnthonyDay/mysterious-crash-wreckage.jpg" width=40% style="transform:rotate(90deg);">
<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>
<img src="/expofiles/photos/2024/AnthonyDay/surface-gulley-near-1623_261-looking-south.jpg" width=40%>
<p>We also found the campsite used by ARGE on a flat piece of limestone, complete with hangers that they used to anchor their tents to the ground. This is right next to the entrance to Griesskogelshcacht (1623/232)</p>
<p>On the way back we stopped off at 2012-ns-07 (tagged as 2016#01) reported to have an undescended 20m pitch. Ruairidh went down in dry grots with the drill whilst I sat in the sun offering advice on thrubolt placement technique and rock quality from a vantage point 15m away where I couldn't actually see what was going on. Two bolts later, Ruaridh got to the bottom where the main downward way on is blocked with rocks (though someone in an oversuit might be motivated to look a bit harder) and there as an upgoing unexplored passage (QM B). Worth a return trip though not amazingly promising. If it goes anywhere, it is likely to connect to the upper levels of Balkonh&ouml;hle.</p>
<p>During the course of the day, we photographed the following entrances:</p>
<ul>
<li>2012-dd-01</li>
<li>2012-ns-05</li>
<li>2012-ns-06</li>
<li>2012-ns-07 (aka 2016#01)</li>
<li>2012-ns-09</li>
<li>2012-ns-10</li>
<li>2012-ns-12</li>
</ul>
<p>All except 2012-dd-01 should now have enough information to go in the Kataster. 2012-ns-05 and 2012-ns-06 were surveyed in 2022, but the survey has not made it into the dataset (the survex file appears entirely devoid of information that could help to link it in). There are two possible shaft entrances near the GPS location for 2012-ns-08, neither of which have a tag.</p>
<div class="timeug">T/U: 0.5 hours</div>
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