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   "layerId": 0,
   "layerName": "Private_Wells",
   "layerType": "Feature Layer",
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   "legend": [
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     "label": "≥10.0%",
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     "label": "7.0 - 8.4%",
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     "label": "4.0 - 5.4%",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
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     "label": "< 2.5%",
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     "height": 20,
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   ],
   "legendGroups": [
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     "id": "0",
     "heading": "Chance that a child's blood lead will exceed the CDC reference value of 3.5 µg/dL"
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