{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Coal Mines",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "42d4cf5105dfc57885f31d4622ba5034",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNh+H/0PwMVAQs1DaODgYzWjGSZ8h8RbEPNy1QALNQwBBmMGkg5YKGCGShg1EBqh+F/ygvbwR8pAFTvCNffXHZOAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Sub-Bituminous Mines (SUB)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "3b01f70750ab1611bdff3972ae1cd542",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWMp/n//PwMVAQs1DaO9gb2MiozkGFKMFGxDzMvUACxUMQUJjBpIOWChghkoYNRAKodhMRUK28EfKQCEmwrxZtkDZgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Bituminous Mines (BIT)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "44f112ec9bb33281f6a89193821744ad",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNheLbyPwMVAQs1DaODgVLhjGSZ8gwRbEPNy1QALNQwBBmMGkg5YKGCGShg1EBqh+EzygvbwR8pAOI+CG2m8ufMAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Insitu Coal Gasification Mines (ISG)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "348477b2e6f6128026d797d7f8ca084b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhWNHyn4GKgIWahtHBwIgaRrJMWYEItqHmZSoAFmoYggxGDaQcsFDBDBQwaiC1w3AF5YXt4I8UAC3NB6eGSZOcAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}