diff --git a/nmdc_schema/list_used_ranges.py b/nmdc_schema/list_used_ranges.py
new file mode 100644
index 0000000000..d13ef1d7d7
--- /dev/null
+++ b/nmdc_schema/list_used_ranges.py
@@ -0,0 +1,13 @@
+from linkml_runtime import SchemaView
+
+schema_file = "../src/schema/nmdc.yaml"
+
+schema_view = SchemaView(schema_file)
+
+schema_classes = schema_view.all_classes()
+
+for ck, _ in schema_classes.items():
+    induced_slots = schema_view.class_induced_slots(ck)
+    for induced_slot in induced_slots:
+        if induced_slot.name == 'used':
+            print(f"In class {ck}, slot used has range  {induced_slot.range}")