diff --git a/cave_data/1623-2025-LB-00.html b/cave_data/1623-2025-LB-00.html
index 0ac80410b..5c8b2a507 100644
--- a/cave_data/1623-2025-LB-00.html
+++ b/cave_data/1623-2025-LB-00.html
@@ -25,6 +25,11 @@ the form documented at
 <kataster_number></kataster_number> 
 <unofficial_number>2025-LB-00</unofficial_number>
 
+<entrance>
+  <entranceslug>1623-2025-LB-00b</entranceslug>
+  <letter>b</letter>
+</entrance>
+
 <explorers></explorers>
 <survex_file>caves-1623/2025-LB-00/2025-LB-00</survex_file>
 <underground_description>Tiny cave, very obvious entrance in the hillside with a draught. It leads round from the entrance to the left, down a slope then enters a chamber with a snowplug and a second entrance in the roof.</underground_description>
diff --git a/entrance_data/1623-2025-LB-00b.html b/entrance_data/1623-2025-LB-00b.html
new file mode 100644
index 000000000..b4c6ad71d
--- /dev/null
+++ b/entrance_data/1623-2025-LB-00b.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<!-- Only put one entrance in this file -->
+<!-- This file is generated by troggle  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>  using the form documented at 
+<a href="/handbook/survey/ententry.html">handbook/survey/ententry.html</a>
+<br>
+<entrance>
+<non_public>False</non_public>
+<slug>1623-2025-LB-00b</slug> <!-- one entrance and one slug per entrance_data file -->
+<name>2025-LB-00b</name>
+<entrance_description></entrance_description>
+<explorers></explorers>
+<location_description></location_description>
+<lastvisit></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>?</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>
+<lat_wgs84>33T 411873</lat_wgs84> 
+<long_wgs84>5282624</long_wgs84> 
+<tag_station></tag_station>
+<other_station></other_station>
+<other_description></other_description>
+<bearings></bearings> <!-- this is now read-only and not editable on the forms-->
+</entrance>
+</body>
+</html>
