diff --git a/ccdb/collections_ccdb/models.py b/ccdb/collections_ccdb/models.py
index 6e92c6e..9148386 100644
--- a/ccdb/collections_ccdb/models.py
+++ b/ccdb/collections_ccdb/models.py
@@ -76,10 +76,9 @@ class Collection(models.Model):
     display_name = models.CharField(max_length=255, editable=False)
 
     def save(self, *args, **kwargs):
-        self.display_name = "{} {} {} {} {} {}".format(self.project,
-            self.study_location, self.collection_start_date,
-            self.collection_end_date, self.collection_type,
-            self.collection_method)
+        self.display_name = "{}_{}_{}_{}".format(self.project,
+            self.collection_end_date.date(), self.study_location,
+            self.collection_type)
         super(Collection, self).save(*args, **kwargs)
 
     def __str__(self):
@@ -88,6 +87,7 @@ class Collection(models.Model):
     class Meta:
         unique_together = ('project', 'study_location', 'collection_type',
             'collection_start_date', 'collection_end_date', 'collection_method')
+        ordering = ['project', 'collection_end_date']
 
 
 class DatasheetAttachment(models.Model):
@@ -105,7 +105,8 @@ class CollectionTrap(models.Model):
     time_closed = models.TimeField()
 
     def __str__(self):
-        return "{collection} {number_of_traps} {date_opened} {date_closed}".format(self)
+        return "{} # Traps: {} {} {}".format(
+            self.collection, self.number_of_traps, self.date_opened, self.date_closed)
 
     class Meta:
         unique_together = ('collection', 'date_opened', 'time_opened', 'date_closed', 'time_closed')
diff --git a/ccdb/locations/migrations/0003_study_location_code_req.py b/ccdb/locations/migrations/0003_study_location_code_req.py
new file mode 100644
index 0000000..644f905
--- /dev/null
+++ b/ccdb/locations/migrations/0003_study_location_code_req.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('locations', '0002_remove_site_fk_dupes'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='studylocation',
+            name='code',
+            field=models.CharField(max_length=10),
+        ),
+    ]
diff --git a/ccdb/locations/models.py b/ccdb/locations/models.py
index ef47bfe..fa2b169 100644
--- a/ccdb/locations/models.py
+++ b/ccdb/locations/models.py
@@ -50,7 +50,7 @@ class MunicipalLocation(models.Model):
 class StudyLocation(models.Model):
     site = models.ForeignKey(Site)
     name = models.CharField(max_length=100)
-    code = models.CharField(max_length=10, blank=True)
+    code = models.CharField(max_length=10)
     study_location_type = models.CharField(max_length=50, blank=True)
     treatment_type = models.CharField(max_length=100, blank=True)
     municipal_location = models.ForeignKey(MunicipalLocation,
@@ -61,7 +61,7 @@ class StudyLocation(models.Model):
     slug = AutoSlugField(populate_from='name')
 
     def __str__(self):
-        return self.name
+        return self.code
 
     class Meta:
         unique_together = ('site', 'name')