{"layers": [
 {
  "layerType": "Feature Layer",
  "layerId": 0,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASElEQVQ4jWNhoDJgGTWQYsBCuRHD1cAGKH0Aiiky0IGBgaEeygbRjUgWkG0gTcPwAKUGNkANcaCWgURFxvBLh0QDFuKVDhcDAdHLCVDI/8A4AAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "075dd2e4440c35fb52ac1d4bcdb6544c",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "USA_MajorCities_Project",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 1,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABYAAAAUCAYAAACJfM0wAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAk0lEQVQ4jWNhoBFgGTUYBkYNRjW4ovlwA4TLaM9AMfjf2FFre4ClovmwA6+mZD2PpgTFRv5684Xh8/UXDhXNhxtZGBgYqWIoCLCJ8DAI26owPF93wZ6WYfz/4NvDdxx4NSXANlIKvlx/AQ5nlo5a24aK5sMH3r7+Uk+5O/8fBJHgyIMxGBgYQHikZxBagFGDGWAAADW7LMILh8JSAAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 22,
   "label": "",
   "contentType": "image/png",
   "url": "5496de2f1d619f9c026c22251fb9e2f0",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "USA_InterstateHwy_Project",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 2,
  "maxScale": 0,
  "legend": [
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpKsrfzsTE5MBABfDv378DLCDDursdOahhYGnpfgcWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4Igw8N+/fwdAJS01DAOZBQCb/BNGuEyaswAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [1064615],
    "width": 20,
    "label": "598332 - 1064615",
    "contentType": "image/png",
    "url": "d379734af26e355a5247381c91d49b53",
    "height": 20
   },
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpKszbzsTI4MBABfDvP8MBFpBhXekcHNQwsGzmDwcWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4Igw8N9/hgOgkpYahoHMAgAo+hClrAnhUQAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [2119862],
    "width": 20,
    "label": "1064616 - 2119862",
    "contentType": "image/png",
    "url": "596a638e6d41f4949a2bbd05c42fcfab",
    "height": 20
   },
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpys/bzsT034GBCuDfP8YDLCDDuhzvc1DDwLL9ig4sDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBFh4L9/jAdAJS01DAOZBQBozRHyUFV9HwAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [4514130],
    "width": 20,
    "label": "2119863 - 4514130",
    "contentType": "image/png",
    "url": "3b969793f7237f6201863599d9bb77e6",
    "height": 20
   },
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpys/dzsTw34GBCuAfA+MBFpBhnXIXOKhhYPkjAwcWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4Igw8B8D4wFQSUsNw0BmAQD+sA8mfyH5jwAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [7311450],
    "width": 20,
    "label": "4514131 - 7311450",
    "contentType": "image/png",
    "url": "c2df0e9ce0c6b9f9965d9b9f5229c496",
    "height": 20
   },
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpysvdzvT/vwMDFcA/RsYDLCDDOh7u46CGgRXyTg4sDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBFh4D9GxgOgkpYahoHMAgBACRB2Jf1m1gAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [13027812],
    "width": 20,
    "label": "7311451 - 13027812",
    "contentType": "image/png",
    "url": "087de85f2c4681a754d5cdaccfd64ba6",
    "height": 20
   },
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpzM3dzvTvnwMDFcA/JqYDLCDDCtZv5KCGgRMC/R1YGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSPCwH9MTAdAJS01DAOZBQAohRDNJG6PKwAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [28296099],
    "width": 20,
    "label": "13027813 - 28296099",
    "contentType": "image/png",
    "url": "58cbfd96a0ce41bab517b6291877f448",
    "height": 20
   },
   {
    "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWPJz87dzvT/vwMDFcA/RsYDLCDDHKbt4qCGgQey3BxYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSPCwH+MjAdAJS01DAOZBQAcIxEHLfJ3fwAAAABJRU5ErkJggg==",
    "groupId": "0",
    "values": [39611295],
    "width": 20,
    "label": "28296100 - 39611295",
    "contentType": "image/png",
    "url": "766a6ebb4d5c462efc6239dc71e36318",
    "height": 20
   }
  ],
  "legendGroups": [{
   "heading": "POPULATION",
   "id": "0"
  }],
  "layerName": "USA_State_Pop",
  "minScale": 0
 }
]}