diff --git a/LoopDataConverter/__pycache__/__init__.cpython-311.pyc b/LoopDataConverter/__pycache__/__init__.cpython-311.pyc
index 50ccf9f..3b2692f 100644
Binary files a/LoopDataConverter/__pycache__/__init__.cpython-311.pyc and b/LoopDataConverter/__pycache__/__init__.cpython-311.pyc differ
diff --git a/LoopDataConverter/fields/__pycache__/__init__.cpython-311.pyc b/LoopDataConverter/fields/__pycache__/__init__.cpython-311.pyc
index 2165794..6b5bd51 100644
Binary files a/LoopDataConverter/fields/__pycache__/__init__.cpython-311.pyc and b/LoopDataConverter/fields/__pycache__/__init__.cpython-311.pyc differ
diff --git a/LoopDataConverter/fields/_ntgs/__pycache__/_ntgs_config.cpython-311.pyc b/LoopDataConverter/fields/_ntgs/__pycache__/_ntgs_config.cpython-311.pyc
index 28eb459..e3e52ce 100644
Binary files a/LoopDataConverter/fields/_ntgs/__pycache__/_ntgs_config.cpython-311.pyc and b/LoopDataConverter/fields/_ntgs/__pycache__/_ntgs_config.cpython-311.pyc differ
diff --git a/LoopDataConverter/fields/_ntgs/_ntgs_config.py b/LoopDataConverter/fields/_ntgs/_ntgs_config.py
index 9361566..bbfc799 100644
--- a/LoopDataConverter/fields/_ntgs/_ntgs_config.py
+++ b/LoopDataConverter/fields/_ntgs/_ntgs_config.py
@@ -3,20 +3,18 @@
 
 class NtgsConfig:
     def __init__(self):
-        self.fold_config = (
-            {
-                "structtype_column": "FoldEvent",
-                "fold_text": "FeatDesc",
-                "description_column": "Desc",
-                "synform_text": "FoldType",
-                "foldname_column": "FoldName",
-                "objectid_column": "OBJECTID",
-                "tightness_column": "IntlimbAng",
-                "axial_plane_dipdir_column": "AxPlDipDir",
-                "axial_plane_dip_column": "AxPlDip",
-                "interp_source_column": "InterpSrce",
-            },
-        )
+        self.fold_config ={
+            "structtype_column": "FoldEvent",
+            "fold_text": "FeatDesc",
+            "description_column": "Desc",
+            "synform_text": "FoldType",
+            "foldname_column": "FoldName",
+            "objectid_column": "OBJECTID",
+            "tightness_column": "IntlimbAng",
+            "axial_plane_dipdir_column": "AxPlDipDir",
+            "axial_plane_dip_column": "AxPlDip",
+            "interp_source_column": "InterpSrce",
+            }
 
         self.fault_config = {
             "structtype_column": "FaultType",
@@ -56,21 +54,21 @@ def __init__(self):
 
         self.structure_config = {
             "orientation_type": "dip direction",
-            "dipdir_column": "DipDir",
+            "dipdir_column": "DipDirectn",
             "dip_column": "Dip",
             "description_column": "FeatDesc",
             "bedding_text": "ObsType",
-            "overturned_column": "FeatureCodeDesc",
+            "overturned_column": "FeatDesc",
             "overturned_text": "overturned",
             "objectid_column": "ObjectID",
             "interp_source_column": "InterpSrce",
         }
 
         self.config_map = {
-            Datatype.GEOLOGY: self.geology_config,
-            Datatype.STRUCTURE: self.structure_config,
-            Datatype.FAULT: self.fault_config,
-            Datatype.FOLD: self.fold_config,
+            "geology": self.geology_config,
+            "structure": self.structure_config,
+            "fault": self.fault_config,
+            "fold": self.fold_config,
         }
 
     def __getitem__(self, datatype):
diff --git a/LoopDataConverter/file_readers/__pycache__/_file_readers.cpython-311.pyc b/LoopDataConverter/file_readers/__pycache__/_file_readers.cpython-311.pyc
index af65ee1..cdbc766 100644
Binary files a/LoopDataConverter/file_readers/__pycache__/_file_readers.cpython-311.pyc and b/LoopDataConverter/file_readers/__pycache__/_file_readers.cpython-311.pyc differ
diff --git a/LoopDataConverter/file_readers/_file_readers.py b/LoopDataConverter/file_readers/_file_readers.py
index 225228c..350b650 100644
--- a/LoopDataConverter/file_readers/_file_readers.py
+++ b/LoopDataConverter/file_readers/_file_readers.py
@@ -159,5 +159,6 @@ def __call__(self):
         if self._fileData[Datatype.FOLD] is not None:
             self._data[Datatype.FOLD] = self.read(Datatype.FOLD)
 
-    def save(self, file_path, file_extension=None):
-        self._reader.save(file_path, file_extension)
+    def save(self, datatype, file_path, file_extension=None):
+        self._reader[datatype].save(file_path, file_extension)
+