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   "layerName": "Privately Owned Trees Year Planted Estimate",
   "layerType": "Feature Layer",
   "minScale": 250000,
   "maxScale": 0,
   "legend": [
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     "groupId": "0",
     "height": 20,
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     "label": "1950 to 1974",
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     "groupId": "0",
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     "label": "2010 to 2014",
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     "groupId": "0",
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   "legendGroups": [
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}