{
 "layers": [
  {
   "layerId": 0,
   "layerName": "HUCs_4_thru_12",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "4",
     "url": "80c336a5a37f1d49b5043af8e137595f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUUlEQVQ4je3UsRHAIAwEwQu+L1wapZnK7JEzAxGvDC7Xzih5AQ+JKRPrwRtorFWAqwcDq4tgnYEp6YB28ol/B/TT3mAx1iZuBzDm55sgp/SXXyOJBs/qaF3JAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "4"
     ]
    },
    {
     "label": "6",
     "url": "13768eb1d4cc0ee56bd63919708eb6c3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATElEQVQ4je3UIQ4AIAxD0YoeDE4ON4NUQDbdyX1FEC8EUQI4KIzhvE1rRFDYNMElNL6wJDZoR5/INejHAiPVoN/7Q42j9swpDey/cLsNrQXPp9cQngAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "6"
     ]
    },
    {
     "label": "8",
     "url": "4b2f487c66990e232fee1fc0b61d0eb5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUUlEQVQ4je3UsQ3AIAxE0V/cXmE0RksmA1kCFOpz6S9Z7l7hwgIGiWntF/hM6wHaBgPrJtj/YFoq0E4+cVegnxKMqwL99g3jObr/MIwDtjV2E/kIBs9u6WuuAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "8"
     ]
    },
    {
     "label": "10",
     "url": "dc76f690a446486c5251e192d81b328c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4je3UsQnAMAxE0V/cYN5MZDNvZpNgQVyfSn0Q6l6hQgIWhensB5imNYBIcBaA/MGy1KCdfOKuQT8VGFcN+uUN3+fo9hkJxhm7DcPmBs0lsZ6yAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "10"
     ]
    },
    {
     "label": "12",
     "url": "ab153b6308206a212e80cb3191211ee5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQUlEQVQ4jWNhYGBoYGBg0GKgDrjGAjUsjEoGrgIZSFXAMmogxYCFciNQwaiBlAMWKpiBAkYNHClheA1U0lLJvGsAgZ8FUXsgMMUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "12"
     ]
    },
    {
     "label": "<all other values>",
     "url": "338ff8bb56c87a26ab2cd2383d74d675",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASElEQVQ4jWPJz8/fzsDA4MBAHXCABWSYsLAwBzVMe/v2rQPIQKoCllEDKQYslBuBCkYNpBywUMEMFDBq4EgJwwOgkpZK5h0AAEzKC2T03wVLAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "HUC Level"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Counties",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "dc76f690a446486c5251e192d81b328c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4je3UsQnAMAxE0V/cYN5MZDNvZpNgQVyfSn0Q6l6hQgIWhensB5imNYBIcBaA/MGy1KCdfOKuQT8VGFcN+uUN3+fo9hkJxhm7DcPmBs0lsZ6yAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "States",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "13768eb1d4cc0ee56bd63919708eb6c3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATElEQVQ4je3UIQ4AIAxD0YoeDE4ON4NUQDbdyX1FEC8EUQI4KIzhvE1rRFDYNMElNL6wJDZoR5/INejHAiPVoN/7Q42j9swpDey/cLsNrQXPp9cQngAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "UrbanAreas_2020Census",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2a91bc4a95a3c965b2f100712396b739",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4jWP539DgwMDAAMLUAAdYwIb9/19PFeMYGRlABlIVsIwaSDFgodwIVDBqIOWAhQpmoIBRA0dKGB4AlbRUAgcABU0H0ZQ9aYgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}