diff --git a/src/main/java/com/metaweb/gridworks/browsing/facets/NumericBinIndex.java b/src/main/java/com/metaweb/gridworks/browsing/facets/NumericBinIndex.java
index 62c6339a4..6166c1a69 100644
--- a/src/main/java/com/metaweb/gridworks/browsing/facets/NumericBinIndex.java
+++ b/src/main/java/com/metaweb/gridworks/browsing/facets/NumericBinIndex.java
@@ -125,7 +125,7 @@ public class NumericBinIndex {
         
         if (_min >= _max) {
             _step = 1;
-            _min = 0;
+            _min = Math.min(_min, _max);
             _max = _step;
             _bins = new int[1];
             
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
index ae29a582a..a08dcbffc 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
@@ -24,6 +24,7 @@ import com.metaweb.gridworks.model.Recon;
 import com.metaweb.gridworks.model.Row;
 import com.metaweb.gridworks.model.changes.CellChange;
 import com.metaweb.gridworks.model.changes.ReconChange;
+import com.metaweb.gridworks.model.recon.HeuristicReconConfig;
 import com.metaweb.gridworks.model.recon.ReconConfig;
 import com.metaweb.gridworks.model.recon.ReconJob;
 import com.metaweb.gridworks.process.LongRunningProcess;
@@ -137,17 +138,20 @@ public class ReconOperation extends EngineDependentOperation {
                                 writer.key("scroll"); writer.value(false);
                             writer.endObject();
                     writer.endObject();
-                    writer.object();
-                        writer.key("action"); writer.value("createFacet");
-                        writer.key("facetType"); writer.value("range");
-                        writer.key("facetConfig");
-                            writer.object();
-                                writer.key("name"); writer.value(_columnName + ": best candidate's score");
-                                writer.key("columnName"); writer.value(_columnName);
-                                writer.key("expression"); writer.value("cell.recon.best.score");
-                                writer.key("mode"); writer.value("range");
-                            writer.endObject();
-                    writer.endObject();
+
+                    if (_reconConfig instanceof HeuristicReconConfig) {
+	                    writer.object();
+	                        writer.key("action"); writer.value("createFacet");
+	                        writer.key("facetType"); writer.value("range");
+	                        writer.key("facetConfig");
+	                            writer.object();
+	                                writer.key("name"); writer.value(_columnName + ": best candidate's score");
+	                                writer.key("columnName"); writer.value(_columnName);
+	                                writer.key("expression"); writer.value("cell.recon.best.score");
+	                                writer.key("mode"); writer.value("range");
+	                            writer.endObject();
+	                    writer.endObject();
+                    }
                 writer.endArray();
             writer.endObject();
         }