diff --git a/.gitignore b/.gitignore
index e45416c..6a8826e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,4 @@ _1623.3d
 _1623.pos
 _1623.err
 diffsettings.txt
+_16230.svx
diff --git a/core/view_surveys.py b/core/view_surveys.py
index c1fec57..dae6f31 100644
--- a/core/view_surveys.py
+++ b/core/view_surveys.py
@@ -9,7 +9,8 @@ from django.http import HttpResponse, Http404
 from troggle.core.models_survex import ScansFolder, SingleScan, SurvexBlock, TunnelFile
 from troggle.flatpages import views as flatviews
 import parsers.surveys
-#from . import fileAbstraction
+
+
 
 def fa_readFile(*path):
     try:
diff --git a/core/views_caves.py b/core/views_caves.py
index c4d06a1..5820857 100644
--- a/core/views_caves.py
+++ b/core/views_caves.py
@@ -74,7 +74,7 @@ def numericalcmp(x, y):
    return cmp(padnumber(x), padnumber(y))
 
 def caveKey(x):
-    """python3 function for sort.
+    """python3 function for sort. Done in a hurry.
     Note that cave kataster numbers are not generally integers.
     This needs to be fixed make a decent sort order.
     """ 
@@ -89,7 +89,7 @@ def getnotablecaves():
             cave = Cave.objects.get(kataster_number=kataster_number)
             notablecaves.append(cave)
         except:
-            print(" ! FAILED to get only one cave per kataster_number for: "+kataster_number)
+            print(" ! FAILED to get only one cave per kataster_number OR invalid number for: "+kataster_number)
             caves = Cave.objects.all().filter(kataster_number=kataster_number)
             for c in caves:
                 print(c.kataster_number, c.slug())
@@ -102,7 +102,6 @@ def caveindex(request):
     caves = Cave.objects.all()
     caves1623 = list(Cave.objects.filter(area__short_name = "1623"))
     caves1626 = list(Cave.objects.filter(area__short_name = "1626"))
-    #python2 to python3 issue https://realpython.com/python-sort/
     caves1623.sort(key=caveKey)
     caves1626.sort(key=caveKey)
     return render(request,'caveindex.html', {'caves1623': caves1623, 'caves1626': caves1626, 'notablecaves':getnotablecaves(), 'cavepage': True})
diff --git a/templates/base.html b/templates/base.html
index c38710d..282ec3e 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -34,16 +34,14 @@
     <a href="{% url "survexcaveslist" %}">All Survex</a> |
     <a href="{% url "surveyscansfolders" %}">Scans</a> |
     <a href="{% url "tunneldata" %}">Drawing files</a> |
-    <a href="{% url "survexcavessingle" "caves-1623/290/290.svx" %}">290</a> |
-    <a href="{% url "survexcavessingle" "caves-1623/291/291.svx" %}">291</a> |
-    <a href="{% url "survexcavessingle" "caves-1626/359/359.svx" %}">359</a> |
-    <a href="{% url "survexcavessingle" "caves-1623/258/258.svx" %}">258</a> |
-    <a href="{% url "survexcavessingle" "caves-1623/264/264.svx" %}">264</a> |
-    <a href="{% url "survexcavessingle" "264" %}">Surveys-264</a> |
+    <a href="/1623/290/290.html">290 (FGH)</a> |
+    <a href="/1623/291/291.html">291 (GSH)</a> |
+    <a href="/1626/359/359.html">359 (Homecoming)</a> |
+    <a href="{% url "survexcavessingle" "204" %}">Surveys-204</a> |
     <a href="{% url "expedition" 2018 %}">Expo2018</a> |
     <a href="{% url "expedition" 2019 %}">Expo2019</a> |
  
-    <a href="/admin/">Django admin</a>
+
     <br>
 
 
@@ -56,8 +54,8 @@
     <a id="caversLink" href="{% url "personindex" %}">people</a>  |
     <a id="expeditionsLink" href="{% url "expeditions" %}">all expeditions</a> |
     <a href="{% url "stats" %}">statistics</a> |
-    <a id="cuccLink" href="{% url "controlpanel" %}">import/export data</a>
-
+    <a href="{% url "controlpanel" %}">import/export data</a>
+    <a href="/admin/">Django admin</a>
 </div>
     
 <div id="nav">
diff --git a/templates/manyscansfolders.html b/templates/manyscansfolders.html
index 00f5bdc..c392af9 100644
--- a/templates/manyscansfolders.html
+++ b/templates/manyscansfolders.html
@@ -11,13 +11,13 @@
 plans and elevations. It also contains scans of centre-line survex output on which
 hand-drawn passage sections are drawn. These hand-drawn passages will eventually be 
 traced to produce Tunnel or Therion drawings and eventually the final complete cave survey.
-<table>
+<table width=95%>
 <tr><th>Scans folder</th><th>Files</th><th>Survex blocks</th></tr>
 {% for scansfolder in manyscansfolders %}
   <tr>
-    <td><a href="{{scansfolder.get_absolute_url}}">{{scansfolder.walletname}}</a></td>
-    <td>{{scansfolder.singlescan_set.all|length}}</td>
-    <td>
+    <td style="padding:2px"><a href="{{scansfolder.get_absolute_url}}">{{scansfolder.walletname}}</a></td>
+    <td align="right" style="padding:2px">{{scansfolder.singlescan_set.all|length}}</td>
+    <td style="padding:2px">
     {% for survexblock in scansfolder.survexblock_set.all %}
       <a href="{% url "svx" survexblock.survexfile.path %}">{{survexblock}}</a>
     {% endfor %}
diff --git a/templates/tunnelfiles.html b/templates/tunnelfiles.html
index 472bd59..9c527b9 100644
--- a/templates/tunnelfiles.html
+++ b/templates/tunnelfiles.html
@@ -7,34 +7,32 @@
 {% block content %}
 
 <h3>All Tunnel files - references to wallets and survey scans</h3>
-<table>
-<tr><th>File</th><th>Font</th><th>Size</th><th>Paths</th><th>Scans folder</th><th>Scan files</th><th>Frames</th></tr>
+<table  style="font-size: 85%" width=95%>
+<tr><th>File</th><th>Size</th><th>Paths</th><th>Scans folder</th><th>Scan files</th><th>Frames</th></tr>
+
 {% for tunnelfile in tunnelfiles %}
   <tr>
     <td><a href="{% url "tunnelfile" tunnelfile.tunnelpath %}">{{tunnelfile.tunnelpath}}</a></td>
-    <td>{{tunnelfile.bfontcolours}}</td>
-    <td>{{tunnelfile.filesize}}</td>
-    <td>{{tunnelfile.npaths}}</td>   
+    <td align="right" style="padding:2px">{{tunnelfile.filesize}}</td>
+    <td align="right" style="padding:2px">{{tunnelfile.npaths}}</td>   
 
-    <td>
+    <td style="padding:2px">
     {% for scansfolder in tunnelfile.manyscansfolders.all %}
       <a href="{{scansfolder.get_absolute_url}}">{{scansfolder.walletname}}</a>
     {% endfor %}
     </td>   
 
-    <td>
+    <td style="padding:2px">
     {% for singlescan in tunnelfile.scans.all %}
       <a href="{{singlescan.get_absolute_url}}">{{singlescan.name}}</a>
     {% endfor %}
     </td>   
 
-    <td>
+    <td style="padding:2px">
     {% for rtunnelfile in tunnelfile.tunnelcontains.all %}
       <a href="{% url "tunnelfile" rtunnelfile.tunnelpath %}">{{rtunnelfile.tunnelpath}}</a>
     {% endfor %}
     </td>   
-
-
   </tr>
 {% endfor %}
 </table>
diff --git a/urls.py b/urls.py
index 227b4ef..8d20f68 100644
--- a/urls.py
+++ b/urls.py
@@ -23,6 +23,8 @@ url( <regular expression that matches the thing in the web browser>,
 
 Django also provides the reverse function: given an an object, provide the URL
 which is vital to writing code for the webapp. So the URL dispatch is declarative.
+
+The API urls return TSV or JSON and are new in July 2020.
 """
 admin.autodiscover()
 
@@ -33,7 +35,7 @@ admin.autodiscover()
 actualurlpatterns = [
     url(r'^troggle$',    views_other.frontpage,      name="frontpage"),
     url(r'^caves$',      views_caves.caveindex,      name="caveindex"),
-    url(r'^indxal.htm$', views_caves.caveindex,      name="caveindex"), # ~420 hrefs to this in expoweb files
+    url(r'^indxal.htm$', views_caves.caveindex,      name="caveindex"), # ~420 hrefs to this url in expoweb files
     url(r'^people/?$',   views_logbooks.personindex, name="personindex"),
 
     url(r'^newqmnumber/?$',              views_other.ajax_QM_number, ),
@@ -86,7 +88,7 @@ actualurlpatterns = [
     url(r'^controlpanel/?$', views_other.controlPanel, name="controlpanel"),
     url(r'^logbook(?P<year>\d\d\d\d)\.(?P<extension>.*)/?$',views_other.downloadLogbook),
     url(r'^logbook/?$',views_other.downloadLogbook, name="downloadlogbook"),
-    url(r'^cave/(?P<cave_id>[^/]+)/qm\.csv/?$', views_other.downloadQMs, name="downloadqms"),        
+    url(r'^cave/(?P<cave_id>[^/]+)/qm\.csv/?$', views_other.downloadQMs, name="downloadqms"),
     url(r'^downloadqms$', views_other.downloadQMs),
 
     url(r'^admin/doc/', include('django.contrib.admindocs.urls')), # needs docutils Python module (http://docutils.sf.net/).