diff --git a/1623/2024-jc-01/2024-JC-01.png b/1623/2024-jc-01/2024-JC-01.png
new file mode 100644
index 000000000..ba82f0c90
Binary files /dev/null and b/1623/2024-jc-01/2024-JC-01.png differ
diff --git a/cave_data/1623-2024-jc-01.html b/cave_data/1623-2024-jc-01.html
index c330f98dd..9ee90338b 100644
--- a/cave_data/1623-2024-jc-01.html
+++ b/cave_data/1623-2024-jc-01.html
@@ -20,7 +20,7 @@ the form documented at
 <!--<caveslug></caveslug>--> <!-- Ignored. No longer required, we use the filename instead e.g. 1623-315 for 1623-315.html  -->
 <official_name>Exploding Boulder Schacht</official_name><!-- Name of the cave (normally in German)  Use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
 <area>1623</area><!-- e.g. "1623" -->
-<kataster_code></kataster_code><!-- 'length-or-depth/type exploration'
+<kataster_code>ST-</kataster_code><!-- 'length-or-depth/type exploration'
 code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast.htm
 
     T   Trockenh&ouml;hlen (Dry caves)
@@ -48,7 +48,7 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 <underground_description>Not yet descended</underground_description><!-- Underground description. (description of approach and entrance goes in entrance file). For a small cave this will be the entire description. For larger caves it will be the front page of the description, or a short intro, containing links to other pages with the cave description in, or even nothing but a link. -->
 <equipment></equipment><!-- For a small cave, summary of gear needed to descend. For longer caves it could be blank, a table, or just refer to the description/topos. Leave blank if this info is in the description. -->
 <references><a href="/walletedit/2024:15">2024#15</a></references><!-- References to documentation. Could be Journal articles or Logbook entries. Can be links if the docs are online. -->
-<survey><a href="1623/2024-JC-01/2024-JC-01.pdf"><img src="1623/2024-JC-01/2024-JC-01.pdf" /><br>Drawn-up Plan and section</a></survey><!-- Drawn-up surveys. Scans of paper surveys or images/PDFs of electronic surveys. Should include HTML to display current plan and elevation, with links to larger versions (See section on URLs and files). Could list links to multiple years of survey, or even a separate survey page if it's complicated enough. -->
+<survey><a href="1623/2024-JC-01/2024-JC-01.pdf"><img src="1623/2024-JC-01/2024-JC-01.png" /><br>Drawn-up Plan and section</a></survey><!-- Drawn-up surveys. Scans of paper surveys or images/PDFs of electronic surveys. Should include HTML to display current plan and elevation, with links to larger versions (See section on URLs and files). Could list links to multiple years of survey, or even a separate survey page if it's complicated enough. -->
 <notes><pre>
 ;GPS point GPSed for 35mins (but track contained no data for this
 ; period probably due to filtering, so start and stop locations (which matched nicel used)