diff --git a/cave_data/1623-2023-JJS-01.html b/cave_data/1623-2023-JJS-01.html
index 7d4cda036..eb668d92a 100644
--- a/cave_data/1623-2023-JJS-01.html
+++ b/cave_data/1623-2023-JJS-01.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- This file is generated by troggle on July 29, 2023, 9 p.m. UTC using the form documented at /handbook/survey/caveentry.html -->
+<!-- This file is generated by troggle on July 29, 2023, 9:01 p.m. UTC using the form documented at /handbook/survey/caveentry.html -->
 <!-- Only put one cave in this file -->
 <!-- If you edit this 1623-nnn.html file by hand, and manually upload it to the server using git,
 make sure you update the database by doing a full data import. If you edit it using the online form
@@ -10,7 +10,7 @@ though, you do not need to do a data import as it happens automatically -->
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <body>
-<b>This file is generated by troggle</b> on July 29, 2023, 9 p.m. UTC using the form documented at
+<b>This file is generated by troggle</b> on July 29, 2023, 9:01 p.m. UTC using the form documented at
 the form documented at 
 <a href="/handbook/survey/caveentry.html">handbook/survey/caveentry.html</a>
 <br>
@@ -38,6 +38,11 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 <kataster_number></kataster_number> <!-- (Either this or unofficial_number is required). Official number in Austrian kataster if one has been allocated  -->
 <unofficial_number>2023-JJS-01</unofficial_number><!-- (Either this or kataster_number is required). Initial temporary cave ID used until kataster number is allocated e.g. '2012-DD-01'-->
 
+<entrance>
+  <entranceslug>1623-2023-JJS-01a</entranceslug><!-- Internal ID to refer to each entrance instance in the entrance files (typically the same as that filename (e.g. 1623-161c). Matches the 'slug' field in the entrance file -->
+  <letter>a</letter><!--Leave blank for single-entrance cave. If there is more than one entrace then the letter needs to be given. Generally matches the entranceslug ID.  -->
+</entrance>
+
 <explorers>Kai Trusson, Luke Stangroom, Becka Lawson</explorers><!-- 'CUCC Expo' and year(s) of exploration. To distinguish from caves explored by foreign groups. Individual names can be given too if it was a small cave. -->
 <survex_file></survex_file><!-- Name of top-level survey file for this cave. Relative to the 'loser' survex repository. So for most caves that's "caves/cavenum/cavnum.svx". (e.g. caves/204/204.svx -->
 <underground_description>Low, wide entrance has a loose, drafting hole on the right that soon ends in a boulder choke. On the left of the entrance a short grovel leads to a crawling phreatic passage. A tight lead on the right probably connects to unsurveyed passage that leads off later on the right. Continuing ahead becomes a low, painful crawl over sharp rocks until a second entrance is found on the left, a snow-filled hole. On the right a short, larger passage soon ends in a climb and then a tight squeeze that has not been pushed.</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. -->
diff --git a/entrance_data/1623-2023-JJS-01a.html b/entrance_data/1623-2023-JJS-01a.html
new file mode 100644
index 000000000..046d157b5
--- /dev/null
+++ b/entrance_data/1623-2023-JJS-01a.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<!-- Only put one entrance in this file -->
+<!-- This file is generated by troggle on July 29, 2023, 9:01 p.m. UTC using the form documented at handbook/survey/ententry.html -->
+<!-- If you edit this file by hand, and manually upload it to the server using git,
+make sure you update the database by doing a full data import. If you edit it using the online form
+though, you do not need to do a data import as it happens automatically -->
+
+    <!-- See http://expo.survex.com/handbook/survey/caveentryfields.html for current details on filling in this form -->
+    <!-- there is 1 required field: slug. The entrance will not appear without that. -->
+    <!-- ALWAYS use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
+
+<html lang="en">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+</head>
+<body>
+<b>This file is generated by troggle</b> on July 29, 2023, 9:01 p.m. UTC using the form documented at 
+<a href="/handbook/survey/ententry.html">handbook/survey/ententry.html</a>
+<br>
+<entrance>
+<non_public>False</non_public>
+<slug>1623-2023-JJS-01a</slug> <!-- one entrance and one slug per entrance_data file -->
+<name>Mendip Man</name>
+<entrance_description></entrance_description>
+<explorers></explorers>
+<map_description></map_description>
+<location_description></location_description>
+<lastvisit>2023-07-29</lastvisit>
+<approach></approach>
+<underground_description></underground_description>
+<photo></photo>
+<!-- marking options: P  = Paint,
+                      P? = Paint (?),
+                      T  = Tag,
+                      T? = Tag (?),
+                      R  = Retagged,
+                      S  = Spit,
+                      S? = Spit (?),
+                      U  = Unmarked,
+                      ?  = Unknown" -->
+<marking>U</marking> 
+<marking_comment></marking_comment>
+<!-- findability options: ? = To be confirmed ...,
+                          S = Surveyed,
+                          L = Lost,
+                          R = Refindable" -->
+<findability>S</findability>
+<findability_description></findability_description>
+<alt></alt>
+<northing></northing>
+<easting></easting> 
+<tag_station></tag_station>
+<exact_station></exact_station>
+<other_station></other_station>
+<other_description></other_description>
+<bearings></bearings>
+<url></url>
+</entrance>
+</body>
+</html>
