diff --git a/rdf/tbox/filegraph/classes-additional.owl b/rdf/tbox/filegraph/classes-additional.owl
index 8bc74eed..aa3a59b2 100644
--- a/rdf/tbox/filegraph/classes-additional.owl
+++ b/rdf/tbox/filegraph/classes-additional.owl
@@ -315,6 +315,20 @@
         </rdfs:subClassOf>
     </owl:Class>
     
+    <owl:Class rdf:about="http://vivoweb.org/ontology/core#GeographicLocation">
+        <rdfs:subClassOf>
+            <owl:Restriction>
+                <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/BFO_0000050"/>
+                <owl:allValuesFrom rdf:resource="http://vivoweb.org/ontology/core#GeographicLocation"/>
+            </owl:Restriction>
+        </rdfs:subClassOf>
+        <rdfs:subClassOf>
+            <owl:Restriction>
+                <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/BFO_0000051"/>
+                <owl:allValuesFrom rdf:resource="http://vivoweb.org/ontology/core#GeographicLocation"/>
+            </owl:Restriction>
+        </rdfs:subClassOf>
+    </owl:Class>
 
 
     <!-- http://purl.org/ontology/bibo/DocumentPart -->
diff --git a/rdf/tbox/filegraph/object-properties.owl b/rdf/tbox/filegraph/object-properties.owl
index 9f352dd2..b7863d57 100644
--- a/rdf/tbox/filegraph/object-properties.owl
+++ b/rdf/tbox/filegraph/object-properties.owl
@@ -76,7 +76,10 @@
 
     <!-- http://aims.fao.org/aos/geopolitical.owl#hasMember -->
 
-    <owl:ObjectProperty rdf:about="http://aims.fao.org/aos/geopolitical.owl#hasMember"/>
+    <owl:ObjectProperty rdf:about="http://aims.fao.org/aos/geopolitical.owl#hasMember">
+        <rdfs:domain rdf:resource="http://aims.fao.org/aos/geopolitical.owl#group"/>
+        <rdfs:range rdf:resource="http://aims.fao.org/aos/geopolitical.owl#territory"/>
+    </owl:ObjectProperty>