{
 "layers": [
  {
   "layerId": 0,
   "layerName": "December1920_Shoreline",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "bddf38f455081064cc6f53d173419f9b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgGTVw1MDBYmD3rDP/qWFYaZoJI21cWJpmwkhVA6kJRg0cNZAMAACXCgVh8tHvyQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "December1920_Buildings",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "014151b845937660b2687162e96efae8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4je3MMRHAMAwDwOjOwDyXRLaC8hYSWWssJqIuGQLAox7AW1V9JH00AJBG0p/1dnxjz3BrmS4KFSpUqPCEAHLP8I4MQP6uhhGo/fwM9wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Map MS012-30E-24-C-QD1076 OVSZ.tif",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Red:   Band_1",
     "url": "41a0cf5fc27c7a578f77987692c27a77",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB/xkY/lNiECMDAyOKgdQCowaOGjhq4KiBdDYQVp5RzUBqAQBgfwJTXu298gAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "Green: Band_2",
     "url": "e216868d9a4643abb2db7f4d18d27a21",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAL0lEQVQ4jWNhoDJgoZ2B/xn+U2QSIwMjqoFUAqMGjho4auCogfQ2EFqeUc9AKgEAX34CUy+sLnAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "Blue:  Band_3",
     "url": "e0489ac473c93eb30a020bb9afaf2689",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAALUlEQVQ4jWNhoDJgoaGB//9TZhQjI5qB1AGjBo4aOGrgqIF0NxBSnlHRQOoAAF59AlNvIrzVAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "RGB"
    }
   ]
  }
 ]
}