diff --git a/core/models/logbooks.py b/core/models/logbooks.py
index 4932a57..5933848 100644
--- a/core/models/logbooks.py
+++ b/core/models/logbooks.py
@@ -162,8 +162,9 @@ class QM(TroggleModel):
         ("B", "B: Average lead"),
         ("C", "C: Tight unpromising lead"),
         ("D", "D: Dig"),
-        ("X", "X: Unclimbable aven"),
-    )  # also seen "?" and "V" in imported data - see urls.py
+        ("X", "X: Unclimbable or horrid"),
+        ("V", "V: Vertical"),
+    )  # also seen "?" in imported data - see urls.py
     grade = models.CharField(max_length=1, choices=GRADE_CHOICES)
     location_description = models.TextField(blank=True)
     nearest_station_description = models.CharField(max_length=400, blank=True, null=True)
diff --git a/core/views/survex.py b/core/views/survex.py
index 2a750aa..5115cb7 100644
--- a/core/views/survex.py
+++ b/core/views/survex.py
@@ -344,6 +344,7 @@ def svx(request, survex_file):
 
     # collect all the survex blocks which actually have a valid date
     if svxfile:
+        has_3d = (Path(survexdatasetpath) / Path(survex_file + ".3d")).is_file()
         try:
             svxblocks = svxfile.survexblock_set.filter(date__isnull=False).order_by('date')
         except:
@@ -353,12 +354,14 @@ def svx(request, survex_file):
             svxlength = 0.0
             for b in svxblocksall:
                 svxlength += b.legslength
-                print(svxlength,b, b.legsall)
+                # print(svxlength,b, b.legsall)
         except AttributeError: # some survexfiles just *include files and have no blocks themselves
             svxblocksall = []
     else:
         svxblocks = []
         svxblocksall = []
+        svxlength = 0.0
+        has_3d = False
         if not difflist:
             difflist = ["Survex file does not exist yet"]
 
@@ -368,7 +371,7 @@ def svx(request, survex_file):
     vmap = {
         "settings": settings,
         "warning": warning,
-        "has_3d": (Path(survexdatasetpath) / Path(survex_file + ".3d")).is_file(),
+        "has_3d": has_3d,
         "title": survex_file,
         "svxlength": svxlength,
         "svxblocks": svxblocks,
diff --git a/parsers/survex.py b/parsers/survex.py
index 45384e3..81500a8 100644
--- a/parsers/survex.py
+++ b/parsers/survex.py
@@ -333,8 +333,8 @@ class LoadingSurvex:
     caverndate = None
     currentteam = set()
     inheritteam = set()
-    currentdate = set()
-    inheritdate = set()
+    currentdate = None
+    inheritdate = None
     pending = []
     adhocload = False
 
@@ -381,12 +381,13 @@ class LoadingSurvex:
             return self.inheritteam
             
     def fix_undated(self, survexblock):
-        """Called when we reach *end of a block
+        """Called when we reach *end of a block OR when a QM is seen.
         Checks to see if the block has no *date, in which case it uses the
         inherited date.
         This is fine if the inherited date is from the same SurvexFile,
         but inheriting dates across *include files is almost certainly NOT
-        expected behaviour, even though it is syntactically "correct".
+        expected behaviour, even though it is syntactically "correct",
+        so triggers a Warning.
         """
         if survexblock.parent.name == "troggle_unseens":
             # Bolluxed up if we try to inherit from this random junk, so don't.
@@ -394,19 +395,38 @@ class LoadingSurvex:
 
         if self.currentdate: 
             # already set
+            if not survexblock.date:
+                # error
+                message = (
+                    f"! no survexblock.date but currentdate is set. ({survexblock})-{survexblock.survexfile.path} {self.currentdate=}"
+                )
+                print(self.insp + message)
+                stash_data_issue(
+                    parser="survex", message=message, url=None, sb=(survexblock.survexfile.path) 
+                )
             return
 
         if self.inheritdate:
+            survexblock.date = self.inheritdate
+            self.currentdate = self.inheritdate # unecessary duplication
             # Not an error, so not put in DataIssues, but is printed to debug output
             message = (
-                f"- No *date. INHERITING date from ({survexblock})-{survexblock.survexfile.path} to ({survexblock.parent}) to {self.inheritdate:%Y-%m-%d}"
+                f"- No *date. INHERITING date from ({survexblock.parent})-{survexblock.parent.survexfile.path} to ({survexblock})-{survexblock.survexfile.path} {self.inheritdate:%Y-%m-%d}"
             )
             print(self.insp + message)
             # stash_data_issue(
-                # parser="survex", message=message, url=None, sb=(survexblock.survexfile.path)
+                # parser="survex", message=message, url=None, sb=(survexblock.survexfile.path) # child
             # )
-            survexblock.date = self.inheritdate
-            self.currentdate = self.inheritdate # unecessary duplication
+            if survexblock.survexfile != survexblock.parent.survexfile:
+                # This is noteworthy, however.
+                message = (
+                    f"- Warning *date INHERITED from DIFFERENT file:\n  ({survexblock.parent})-{survexblock.parent.survexfile.path} to ({survexblock})-{survexblock.survexfile.path} {self.inheritdate:%Y-%m-%d}\n  {self.stackbegin} {self.inheritdate:%Y-%m-%d}"
+                )
+                print(self.insp + message)
+                stash_data_issue(
+                    parser="survex", message=message, url=None, sb=(survexblock.parent.survexfile.path) # PARENT
+                )
+                    
             return self.inheritdate
         else:
             # This is not an error in the Expo dataset. 
@@ -583,7 +603,7 @@ class LoadingSurvex:
             print(self.insp + message)
             stash_data_issue(parser="survexunits", message=message)
 
-    def get_expo_from_year(self, year):
+    def get_expo_from_year(self, year, line, survexblock):
         # cacheing to save DB query on every block
         if year in self.expos:
             expo = self.expos[year]
@@ -597,9 +617,14 @@ class LoadingSurvex:
                 stash_data_issue(
                     parser="survex", message=message, url=None, sb=(survexblock.survexfile.path)
                 )
-
-            expo = expeditions[0]
-            self.expos[year] = expo
+            if expeditions:
+                expo = expeditions[0]
+                self.expos[year] = expo
+            else:
+                expo = Expedition.objects.get(year="1976")
+                message = f"! DATE INCORRECT. There is no expedition for the year {year}. {survexblock.survexfile.path} ({survexblock}) - set to 1976."
+                print(self.insp + message)
+                stash_data_issue(parser='survex', message=message, url=None, sb=(survexblock.survexfile.path))
         return expo
 
     def LoadSurvexDate(self, survexblock, line):
@@ -615,9 +640,8 @@ class LoadingSurvex:
             *team came before this *date, in which case the names are only in 'pending'"""
             global trip_person_record 
            
-            expo = self.get_expo_from_year(year)
+            expo = self.get_expo_from_year(year, line, survexblock)
             survexblock.expedition = expo
-            survexblock.save()
 
             team = get_team_on_trip(survexblock) # should be empty, should only be in 'pending'
             # team = SurvexPersonRole.objects.filter(survexblock=survexblock)
@@ -645,6 +669,7 @@ class LoadingSurvex:
                                 message=message,
                                 url=None, sb=(survexblock.survexfile.path),
                             )
+
         oline = line
         if len(line) > 10:
             message = "! DATE Warning LONG DATE '{}' ({}) {}".format(oline, survexblock, survexblock.survexfile.path)
@@ -694,7 +719,7 @@ class LoadingSurvex:
         if survexblock.date:
             # do not actually need a distict variable 'currentdate' but it makes the code clearer
             self.currentdate = survexblock.date
-
+        survexblock.save()
 
     def LoadSurvexLeg(self, survexblock, sline, comment, svxline):
         """This reads compass, clino and tape data but only keeps the tape lengths,
@@ -1585,7 +1610,7 @@ class LoadingSurvex:
                 self.inheritteam = self.currentteam 
                 self.currentteam = set() # zero the current team when we start a new block
                 self.inheritdate = self.currentdate 
-                self.currentdate = set() # zero the current date when we start a new block
+                self.currentdate = None # zero the current date when we start a new block
                 printbegin()
                 newsurvexblock = SurvexBlock(
                     name=blkid,
diff --git a/templates/cave_qms.html b/templates/cave_qms.html
index 47dcea5..8b042d3 100644
--- a/templates/cave_qms.html
+++ b/templates/cave_qms.html
@@ -40,6 +40,8 @@
     {% for QM in cave.get_QMs %}
         {% if QM.ticked %}
         <li><a href="{{QM.get_absolute_url}}">{{QM}}</a>
+        {% if QM.nearest_station %}&vellip;<em>{{QM.nearest_station}}</em>&vellip;{% endif %}
+        {% if QM.nearest_station_name %}&vellip;<em>{{QM.nearest_station_name}}</em>&vellip;{% endif %}
         {% if QM.nearest_station_description %}&vellip;<em>{{QM.nearest_station_description}}</em>&vellip;{% endif %} {{QM.location_description}} <b>{{QM.grade}}</b> 
         {% if QM.block %} <a href="/survexfile/{{QM.block.survexfile.path}}.svx">{{QM.block}}.svx</a> {{QM.block.date}} {% endif %}
         
diff --git a/templates/svxfile.html b/templates/svxfile.html
index ccd9749..97dcfe2 100644
--- a/templates/svxfile.html
+++ b/templates/svxfile.html
@@ -80,14 +80,16 @@ LOGMESSAGES
     -->
 {% endif %}
 </div>
-undergound survey length: {{svxlength|floatformat:2}} metres
-<span style="font-family: monospace;  font-size: 130%; ">
+underground survey length: {{svxlength|floatformat:2}} metres<br />
+
 {% for sb in svxblocks %}
+block:({{sb}}) has parent block:<a href="{{sb.parent.path}}">({{sb.parent}})</a>
 {% empty %} 
 Cannot find any <em>dated</em> survex blocks in this survex file (not looking at *include files). <br />
 Report this to a nerd if you think this is incorrect.
 <hr />
 {% endfor %}
+<span style="font-family: monospace;  font-size: 130%; ">
 
 {% for key, value in events.items %}
     {% with trips=value.0 svxothers=value.1 wallets=value.2 blocks=value.3 %}