{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Effective Range",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "The approximate range at which it is worthwhile opening fire.  A figure of 150 yards or 140m has been used.",
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     "height": 20,
     "width": 20
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}