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 "layers": [
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   "layerId": 3,
   "layerName": "Regional Bedrock Geology (1:250,000)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
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     "label": "P3,PWF - McLeansboro Group (lower, w/ top West Franlin Limestone Mbr)",
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    },
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     "label": "P1,PB,PLB - Raccoon Creek Group (w/ top Buffaloville Coal Mbr, base Lower Block Coal Mbr)",
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     "label": "M5 - Stephensport Group",
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     "label": "M4 - West Baden Group",
     "url": "43a81f9e518b4d076b40b74f81ace4dc",
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     "label": "M3 - Blue River Group",
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     "label": "M2 - Sanders Group",
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    },
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    },
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    },
    {
     "label": "O2,OD,OK - Maquoketa Group (w/ top Dillsboro Frm, top Kope Frm)",
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   ],
   "legendGroups": [
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}