diff --git a/data/imagery.json b/data/imagery.json
index eb112b867..98ebaf1a5 100644
--- a/data/imagery.json
+++ b/data/imagery.json
@@ -75,6 +75,11 @@
     {
         "name": " TIGER 2012 Roads Overlay",
         "template": "http://{t}.tile.openstreetmap.us/tiger2012_roads_expanded/{z}/{x}/{y}.png",
+        "overlay": true,
+        "scaleExtent": [
+            16,
+            19
+        ],
         "subdomains": [
             "a",
             "b",
@@ -94,6 +99,11 @@
     {
         "name": " TIGER 2012 Roads Overlay",
         "template": "http://{t}.tile.openstreetmap.us/tiger2012_roads_expanded/{z}/{x}/{y}.png",
+        "overlay": true,
+        "scaleExtent": [
+            16,
+            19
+        ],
         "subdomains": [
             "a",
             "b",