diff --git a/src/main/java/gov/usgs/earthquake/nshmp/www/source/SourceService.java b/src/main/java/gov/usgs/earthquake/nshmp/www/source/SourceService.java
index 6cedce847c694e6243773f74bde87e91ba7be2f5..dff841186857e4e6a5daec377d6fa986041ab7b2 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/www/source/SourceService.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/www/source/SourceService.java
@@ -10,6 +10,7 @@ import java.util.stream.DoubleStream;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import gov.usgs.earthquake.nshmp.geo.json.FeatureCollection;
 import gov.usgs.earthquake.nshmp.gmm.Gmm;
 import gov.usgs.earthquake.nshmp.gmm.NehrpSiteClass;
 import gov.usgs.earthquake.nshmp.model.HazardModel;
@@ -73,6 +74,8 @@ public class SourceService {
     final Map<NehrpSiteClass, Double> siteClasses;
     final List<Parameter> imts;
     final List<Double> bounds;
+    final FeatureCollection map;
+    final FeatureCollection sites;
 
     public SourceModel(HazardModel model) {
       name = model.name();
@@ -86,6 +89,8 @@ public class SourceService {
           .map(imt -> new Parameter(ServletUtil.imtShortLabel(imt), imt.name()))
           .collect(toList());
       bounds = DoubleStream.of(model.bounds().toArray()).boxed().collect(toList());
+      map = model.map().orElseThrow();
+      sites = model.sites().orElseThrow();
     }
 
     public String getName() {