diff --git a/geomagio/api/ws/Observatory.py b/geomagio/api/ws/Observatory.py
index 34c5021d11c54b5fac66015d952dc31b02eea4bd..fe857c9acfed34b9fbe96da7b2ad1b85fc9b3589 100644
--- a/geomagio/api/ws/Observatory.py
+++ b/geomagio/api/ws/Observatory.py
@@ -125,6 +125,15 @@ OBSERVATORIES = [
         agency="USGS",
         declination_base=215772,
     ),
+    Observatory(
+        id="BXX",
+        elevation=1682,
+        latitude=40.137,
+        longitude=254.763,
+        name="Boulder Test(Coil Building)",
+        agency="USGS",
+        declination_base=5527,
+    ),
     Observatory(
         id="CMO",
         elevation=197,