 
       overlayMaps =
         "Regions": regLayer
+        "Wards": wardLayer
         #"Waterpoints": clusterLayer
 
       # add a layer selector


      # how to style the regions
      style = (feature) ->
        regitem = getRegItem(feature)

        if not regitem
          console.log("Warning: no region match for " + feature.properties.REGNAME)
          color = "gray"
        else
          color = colScale(regitem[$scope.choroChoice])

        s =
          fillColor: color

      $scope.$watch('choroChoice', (val) ->
        if !val then return

        regLayer.setStyle(style)
        wardLayer.setStyle(style)

        if map.hasLayer(regLayer)
          map.removeLayer(regLayer)
          map.addLayer(regLayer)

        if map.hasLayer(wardLayer)
          map.removeLayer(wardLayer)
          map.addLayer(wardLayer)
      )

      $scope.$watch('params.region', (val) ->
