diff --git a/expo/admin.py b/expo/admin.py
index dd1be90..d8adbe2 100644
--- a/expo/admin.py
+++ b/expo/admin.py
@@ -90,7 +90,7 @@ admin.site.register(PersonRole)
 admin.site.register(PersonExpedition,PersonExpeditionAdmin)
 admin.site.register(Role)
 admin.site.register(LogbookEntry, LogbookEntryAdmin)
-admin.site.register(PersonTrip)
+#admin.site.register(PersonTrip)
 admin.site.register(QM, QMAdmin)
 admin.site.register(Survey, SurveyAdmin)
 admin.site.register(ScannedImage)
diff --git a/expo/models.py b/expo/models.py
index abe1870..13d0b7b 100644
--- a/expo/models.py
+++ b/expo/models.py
@@ -238,7 +238,7 @@ class LogbookEntry(TroggleModel):
     author  = models.ForeignKey(PersonExpedition,blank=True,null=True)  # the person who writes it up doesn't have to have been on the trip
     title   = models.CharField(max_length=200)
     cave    = models.ForeignKey('Cave',blank=True,null=True)
-    place   = models.CharField(max_length=100,blank=True,null=True)  
+    place   = models.CharField(max_length=100,blank=True,null=True,help_text="Only use this if you haven't chosen a cave")
     text    = models.TextField()
     slug    = models.SlugField(max_length=50)
     #href    = models.CharField(max_length=100)
@@ -270,28 +270,36 @@ class PersonTrip(TroggleModel):
     
         # this will be a foreign key of the place(s) the trip went through
         # possibly a trip has a plurality of triplets pointing into it
-    place           = models.CharField(max_length=100)  
-    # should add cave thing here (copied from logbook maybe)
-    date            = models.DateField()    
-    time_underground = models.FloatField()  
+    #place           = models.CharField(max_length=100)  
+    #date            = models.DateField()    
+    time_underground = models.FloatField(help_text="In decimal hours")
     logbook_entry    = models.ForeignKey(LogbookEntry)
     is_logbook_entry_author = models.BooleanField()
     
+    def date(self):
+        return self.logbook_entry.date
+
+    def place(self):
+        if self.logbook_entry.cave:
+            return self.logbook_entry.cave
+        else:
+            return self.logbook_entry.place
+
     #persontrip_next  = models.ForeignKey('PersonTrip', related_name='pnext', blank=True,null=True)
     #persontrip_prev  = models.ForeignKey('PersonTrip', related_name='pprev', blank=True,null=True)
 
     def __unicode__(self):
-        return "%s %s (%s)" % (self.person_expedition, self.place, self.date)
+        return "%s %s (%s)" % (self.person_expedition, self.place(), self.date())
 
     def get_persons_next_trip(self):
 	try:
-            return PersonTrip.objects.filter(person_expedition__person=self.person_expedition.person, date__gt=self.date)[0]
+            return PersonTrip.objects.filter(person_expedition__person=self.person_expedition.person, person_expedition__date__gt=self.date)[0]
         except:
 	    return
 
     def get_persons_previous_trip(self):
 	try:
-            return PersonTrip.objects.filter(person_expedition__person=self.person_expedition.person, date__lt=self.date)[0]
+            return PersonTrip.objects.filter(person_expedition__person=self.person_expedition.person, person_expedition__date__lt=self.date)[0]
         except:
 	    return
 
diff --git a/parsers/logbooks.py b/parsers/logbooks.py
index 6017f15..281a1b2 100644
--- a/parsers/logbooks.py
+++ b/parsers/logbooks.py
@@ -87,12 +87,13 @@ def EnterLogIntoDbase(date, place, title, text, trippeople, expedition, logtime_
     lbo, created=save_carefully(models.LogbookEntry, lookupAttribs, nonLookupAttribs)
 
     for tripperson, time_underground in trippersons:
-        lookupAttribs={'person_expedition':tripperson, 'date':date}
-        nonLookupAttribs={'place':place,'time_underground':time_underground,'logbook_entry':lbo,'is_logbook_entry_author':(tripperson == author)}
+        lookupAttribs={'person_expedition':tripperson, 'logbook_entry':lbo}
+        nonLookupAttribs={'time_underground':time_underground,'is_logbook_entry_author':(tripperson == author)}
         save_carefully(models.PersonTrip, lookupAttribs, nonLookupAttribs)
 
 
 def ParseDate(tripdate, year):
+    """ Interprets dates in the expo logbooks and returns a correct datetime.date object  """
     mdatestandard = re.match("(\d\d\d\d)-(\d\d)-(\d\d)", tripdate)
     mdategoof = re.match("(\d\d?)/0?(\d)/(20|19)?(\d\d)", tripdate)
     if mdatestandard:
@@ -256,10 +257,14 @@ yearlinks = [
             ]
 
 def SetDatesFromLogbookEntries(expedition):
+    """
+    Sets the date_from and date_to field for an expedition based on persontrips.
+    Then sets the expedition date_from and date_to based on the personexpeditions.
+    """
     for personexpedition in expedition.personexpedition_set.all():
-        persontrips = personexpedition.persontrip_set.order_by('date')
-        personexpedition.date_from = min([persontrip.date  for persontrip in persontrips] or [None])
-        personexpedition.date_to = max([persontrip.date  for persontrip in persontrips] or [None])
+        persontrips = personexpedition.persontrip_set.order_by('logbook_entry__date')
+        personexpedition.date_from = min([persontrip.logbook_entry.date  for persontrip in persontrips] or [None])
+        personexpedition.date_to = max([persontrip.logbook_entry.date  for persontrip in persontrips] or [None])
         personexpedition.save()
 
 # The below is all unnecessary, just use the built in get_previous_by_date and get_next_by_date