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   "layerType": "Feature Layer",
   "minScale": 24000,
   "maxScale": 0,
   "legend": [
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     "label": "30 ft - 40 ft",
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     "label": "40 ft - 50 ft",
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     "height": 20,
     "width": 20,
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    },
    {
     "label": "50 ft and Above",
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     "height": 20,
     "width": 20,
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   ],
   "legendGroups": [
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     "heading": "HEIGHT"
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}