diff --git a/app/assets/templates/digital_objects_app/widgets/digital_object_editor/_header.ejs b/app/assets/templates/digital_objects_app/widgets/digital_object_editor/_header.ejs
index 09a7b48b6..cd99990e9 100644
--- a/app/assets/templates/digital_objects_app/widgets/digital_object_editor/_header.ejs
+++ b/app/assets/templates/digital_objects_app/widgets/digital_object_editor/_header.ejs
@@ -198,7 +198,7 @@
             </div>
             <div class="form-group">
               <label class="col-sm-3">
-                Filesystem Location:
+                Location:
               </label>
               <div class="col-sm-9">
                 <%= digitalObject.getFilesystemLocation() %>
diff --git a/app/models/concerns/digital_object/assets/file_import.rb b/app/models/concerns/digital_object/assets/file_import.rb
index bede7cc62..b9b0d555c 100644
--- a/app/models/concerns/digital_object/assets/file_import.rb
+++ b/app/models/concerns/digital_object/assets/file_import.rb
@@ -41,7 +41,7 @@ def do_file_import
     puts "final_save_location_uri is: #{final_save_location_uri}"
     content_ds = @fedora_object.create_datastream(ActiveFedora::Datastream, 'content', controlGroup: 'E', mimeType: BestType.mime_type.for_file_name(original_filename), dsLabel: original_filename, versionable: true)
     content_ds.dsLocation = Hyacinth::Utils::PathUtils.location_uri_to_encoded_ds_location(final_save_location_uri)
-    @fedora_object.datastreams["DC"].dc_source = path_to_final_save_location
+    @fedora_object.datastreams["DC"].dc_source = final_save_location_uri
     @fedora_object.add_datastream(content_ds)
 
     # Add checksum property to content datastream using :has_message_digest predicate
diff --git a/app/models/concerns/digital_object/publishing.rb b/app/models/concerns/digital_object/publishing.rb
index 1e589389b..c2f137cea 100644
--- a/app/models/concerns/digital_object/publishing.rb
+++ b/app/models/concerns/digital_object/publishing.rb
@@ -46,7 +46,11 @@ def execute_publish_action_for_target(publish_action, publish_target, do_ezid_up
     rescue Errno::ECONNREFUSED
       @errors.add(:publish_target, "Connection to server refused for Publish Target URL: #{publish_target.publish_target_field('publish_url')}")
     rescue RestClient::ExceptionWithResponse => e
-      @errors.add(:publish_target, "#{response&.code || 'Undefined'} response received for Publish Target URL: #{publish_target.publish_target_field('publish_url')}")
+      @errors.add(
+        :publish_target,
+        "#{response&.code || 'Undefined'} response received for Publish Target URL: #{publish_target.publish_target_field('publish_url')}\n"\
+        "Error message: #{e.message}"
+      )
     end
     success
   end
diff --git a/app/models/digital_object/asset.rb b/app/models/digital_object/asset.rb
index aed639acb..ada82b606 100644
--- a/app/models/digital_object/asset.rb
+++ b/app/models/digital_object/asset.rb
@@ -67,7 +67,21 @@ def run_post_validation_pre_save_logic
     do_poster_import if @poster_import_path.present?
     do_service_copy_import if @service_copy_import_path.present? && self.service_copy_location.blank?
 
-    self.dc_type = BestType.dc_type.for_file_name(original_filename) if self.dc_type == 'Unknown' # Attempt to correct dc_type for 'Unknown' dc_type DigitalObjects
+    # Attempt to correct dc_type for 'Unknown' dc_type DigitalObjects, based on original filename
+    self.dc_type = BestType.dc_type.for_file_name(original_filename) if self.dc_type == 'Unknown'
+
+    # For ISO files, even the original filename can't tell us if they're possibly audio or video content,
+    # so if a service copy has been uploaded with the video then we'll determine dc type based on
+    # the extension of the service copy.
+    if self.dc_type == 'Unknown' && self.service_copy_location.present?
+      self.dc_type = BestType.dc_type.for_file_name(self.service_copy_location)
+    end
+
+    # If we still haven't been able to determine a dc type, see if we can get the
+    # information from an access copy file extension (if present)
+    if self.dc_type == 'Unknown' && self.access_copy_location.present?
+      self.dc_type = BestType.dc_type.for_file_name(self.access_copy_location)
+    end
   end
 
   def run_after_create_logic
@@ -96,7 +110,7 @@ def convert_upload_import_to_internal!
   def filesystem_location
     content_ds = @fedora_object.datastreams['content']
     return nil unless content_ds.present?
-    Addressable::URI.unencode(content_ds.dsLocation).gsub(/^file:/, '')
+    Hyacinth::Utils::PathUtils.ds_location_to_decoded_location_uri(content_ds.dsLocation)
   end
 
   def access_copy_location
diff --git a/lib/hyacinth/storage.rb b/lib/hyacinth/storage.rb
index 90abea204..3769307b9 100644
--- a/lib/hyacinth/storage.rb
+++ b/lib/hyacinth/storage.rb
@@ -26,7 +26,7 @@ def self.generate_location_uri_for(pid, project, local_file_path)
       "#{scheme}://" +
       Hyacinth::Utils::PathUtils.path_to_asset_file(pid, project, File.basename(local_file_path))
     when S3_SCHEME
-      "#{scheme}://#{HYACINTH['default_asset_home_bucket_name']}/" +
+      "#{scheme}://#{HYACINTH['default_asset_home_bucket_name']}/"\
       "#{HYACINTH['default_asset_home_bucket_path_prefix']}/" +
       Hyacinth::Utils::PathUtils.path_to_asset_file(pid, project, File.basename(local_file_path))
     else
diff --git a/lib/hyacinth/storage/file_object.rb b/lib/hyacinth/storage/file_object.rb
index 8e858526f..6ac5452cb 100644
--- a/lib/hyacinth/storage/file_object.rb
+++ b/lib/hyacinth/storage/file_object.rb
@@ -19,7 +19,6 @@ def filename
   end
 
   def size
-    raise "Path is: #{path}"
     File.size(self.path)
   end