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   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "All Minerals",
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    },
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     "label": "Other Minerals",
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   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Mineral Estate Category"
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}