{
 "layers": [
  {
   "layerId": 0,
   "layerName": "1250 Scale - 1951to1983",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "1250 Scale - 1953to1992",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "1250 Scale - 1955to1992",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "1250 Scale - 1965to1986",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 4,
   "layerName": "1250 Scale - 1979",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 5,
   "layerName": "2500 Scale - 1952to1963",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 6,
   "layerName": "2500 Scale - 1955to1986",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  },
  {
   "layerId": 7,
   "layerName": "2500 Scale - 1968to1983",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1 - 0",
     "url": "4c2940626bdd71f36d300bde4a872867",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVRYhe3UwQkAMQwDwTy2/4YlcleE/AhYW4CJJ2Duvd8ZDNuT8w6Sztsv9PMDtc9Q+1Z2DdOoYRw1jKPnK46FhppeWfsM/fynuCunUcM4ahhHDePoxY5jn+EPhDiy86pHgCsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}