{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Annexation",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "1950s",
     "url": "08d3a10797236a7dba2b12e1a9bc1f6a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiovInUMWwZRMLIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBgum1hANRMBfZoHQRXU/T0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1953",
      "1955",
      "1959"
     ]
    },
    {
     "label": "1960s",
     "url": "28022b473891d90627d2a9d954d7ae23",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiWvtdqWJYdeFuiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4bVhbupZiIAfSQHQVEAOfQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1960",
      "1961",
      "1965"
     ]
    },
    {
     "label": "1970s",
     "url": "0c735b2fea2557d76860400293ece20f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIi+p1dqWJY4d7dEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgwL9+6mmokAfeAHg/NTv+YAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1970",
      "1971",
      "1972",
      "1973",
      "1976",
      "1978",
      "1979"
     ]
    },
    {
     "label": "1980s",
     "url": "9f18ffdb83678b54b64f694a82897ca2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiuj36qWJY6Y5CiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4alOwqpZiIAfU0HOMy94DoAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1981",
      "1983",
      "1985",
      "1986",
      "1987",
      "1988",
      "1989"
     ]
    },
    {
     "label": "1990s",
     "url": "37b367070b0eb7fb7900642572e2d8cf",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWPJy8v7z0BFwAIivCY2UMWwbfkNEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgy35VOnxAaZCAB9lAc/RyHHHgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1990",
      "1994",
      "1995",
      "1996",
      "1997",
      "1998",
      "1999"
     ]
    },
    {
     "label": "2000s",
     "url": "e628f714a437ea5564c11ff3d1e85d49",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIi+msyqGJYYcsMiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4aFLTOoZiIAfO8HJxdUqtIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "2000",
      "2001",
      "2002",
      "2003",
      "2004",
      "2005",
      "2006",
      "2007",
      "2008",
      "2009"
     ]
    },
    {
     "label": "2010s",
     "url": "1e99d1cd4e3eb42cdc6ac7ccd6ff60fd",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiXF36qWLY7j2FEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgx37ymkmokAfnEHgiyv5WYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "2010",
      "2011",
      "2012",
      "2014",
      "2015",
      "2016",
      "2017",
      "2018",
      "2019"
     ]
    },
    {
     "label": "2020s",
     "url": "13af1099eb54bf491fb98ab0944fa1ad",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiJmZ0UcWw/BllEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgzzZ5RRzUQAfN8HFwyYDpAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "2020",
      "2021"
     ]
    },
    {
     "label": "<all other values>",
     "url": "82d3126a3f280763eed3678a984fc854",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4je3QoREAMAxC0QpGYM5Mzg7t9aqigytfIJ8AVbWXMdwhacEkPdAZAo7DnOgFnAeD0Qr4zYeSbOIBgLsIXsXp/9sAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "YEAR"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}