diff --git a/cave_data/1623-290.html b/cave_data/1623-290.html
index 79db52ebb..75ff2f067 100644
--- a/cave_data/1623-290.html
+++ b/cave_data/1623-290.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- This file is generated by troggle on April 4, 2023, 9:47 p.m. UTC using the form documented at /handbook/survey/caveentry.html -->
+<!-- This file is generated by troggle on April 9, 2023, 12:59 a.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 April 4, 2023, 9:47 p.m. UTC using the form documented at /handbook/survey/caveentry.html
+<b>This file is generated by troggle</b> on April 9, 2023, 12:59 a.m. UTC using the form documented at /handbook/survey/caveentry.html
 <br>
 
 <cave>
@@ -119,6 +119,14 @@ background-color: #eee;
 </pre>
 </div>
 
+<h3>Extended elevation</h3>
+
+<div class="photo_wrapper">
+  <div>
+    <img class="photo" alt="Simplified extended elevation" src="http://expo.survex.com/expofiles/photos/2023/290_extended_elevation_2023_04_09.svg">    
+  </div>
+</div>
+
 <h3>Entrance to Ulysses</h3>
 
 <div class="photo_wrapper">
