{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Vogelvluchtfoto's 1921 - 1935",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "d535192251196693a92a593cdc10ed84",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzUlEQVQ4je3SPU5CQRQG0ENCwxoobJDCisJIqPiJO/A11GpchHEFLoBATww9diYk1pRsQfdgYkHBFC8TmTcECgtudW/my8nM5NaduOpnMK4ObkvzG76OATd4RhHmJwxSaBX4i3HoC7SwwnAfmvOHMXoZ0AG+q8AmGnvgl3DeK6HDGI3BOfoZt4b2X+ixa3OBqxQ4wTIBFOiG/gd3+CgHYnCRwO5xE2HvcSj3yQ+YoZbCcsFHTHOwHPDabgc/w/yawnLANUYVmYPAg+v/g1tQgiTCDw+bXAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Vogelvluchtfoto's 1936 - 1950",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2dc6b3865721fa6f66bc2d90e1662f1d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA/klEQVQ4je3SLUuDURgG4OvgDDb7gsUZTAZRTE7xH7iyrGIRdFmEdcMUBNEuYtcmDMxG/4LmGQXnYxniu4938yMYvNM5DzcX5xxOwS+n8A9msxdzWPvYJ5ca6fH74KQHLfuogLCtFuU8NB+sp1f1qGrRQaeFplqsDEKHv2EvWhKadqLsJD3lg7UoYqIHfcaYA21FLKGkoGknVrrRLBgusNz3pO2eyUw/9KffZsq4WQwAw6nkOgeoYLGzfsG6Rrr9XMiCx+lqILUbG5KFDHaUbrpro115LzZxjpSHjQbuxhbORsGGg7WY96aKu87kMA8bDjbSPVZzO18Cv5G/D74DqoNLub1gVKEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Vogelvluchtfoto's 1951 - 1965",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f4cfc4042246f210c1be740ee5f6d786",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA+ElEQVQ4je3SMUpDQRQF0DMaAq4hhY2xsLIQRQ2YiDswTWoVFyGuwAWI9iL22gkB+Ull6RZ0D4rwLPKLJCT/x2hh4a1mLo/DzDAVv5zKPziSnlhPHAxVtzvS69zgBy9VztDOq9O+aBahhWBL+uyKTnWwbWMl6PZFaxpa+oYT0HrQzUSzIb0Vgn1Rw9IU+zyoYRv1NEBb4+gIGNxgr+zUeVYnoT/9NsuLrGEyGFwucF8AtIOtfP2Ow23pcXhgBGxId9OkTBwlNoexXelhfG6mK2fiOHGNVITNBPbECa5mwUrBTGygg6e8uijCSsGG9Iz9oplvgfPk74NfZHlGR7nmQ+wAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Vogelvluchtfoto's 1966 - 1980",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "64585145539d4a9697b663c82ad641db",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA3UlEQVQ4je3SMS5FQRQA0DPJb6xBoUGhUghR+V/swGvUiEWIFViAfL2Ink4iUSttgT1IJFfxpnj/5b95z6dQuNXMnZszdyZ35Jdj9A/ORLCJg0bqNvG2MIhXnKPK+7NgXEKLYOIzOMrbCqt4CiZdaO8fzkHXMjpOvBfBYBlLHfaF+ny3gU7aaLvDG+z1dZ1jfR7607FZwYYCeIX7AlBhJ68/cJh4bBbMgIm7Lik4xnYLe2jXDXpycILr+s5ubBAYnGI6BOsFgy31DD7n1GUJ6wUTL9gv1XwLXCT+PvgFbiExxFaxppsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 4,
   "layerName": "Vogelvluchtfoto's 1981 - 1985",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e15894881eeb5096dcaa3020f925d5c9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA/UlEQVQ4je3Svy7DURQH8M+tLh7A1MGiBpNBiEkr3kBT6Yx4CPEEHkDYpemPkU3SxGz0Cix9Aon0WBrRP79fqwwGZ7vfnPvJOTe37Jer/A8OVWTWhb3PIGmnppe5QUue9ZyiMUhOIlMrQgvBVPceXS09BugKupGp56FT33ACWkU32mqp5bUQjEwFi2NqDyVn+irYRtWCbrTVR9HRCa+xM3HU/liyOgn96bdZVrJGPngh3OVeTxrYGpzesJ8OPHxtGQJTUyfPiswhNoewpvvRvplWjhtHwhVSETYTGB3HwuUs2FQwbm3oa+FxEJ0XYVPB1PCE3aKeb4Hz1N8HPwCmOEo0MhFKGwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 5,
   "layerName": "Vogelvluchtfoto's 2007",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "9d9fe177c1ca82e0ea66af06aaea765b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABFklEQVQ4je3SMU4CQRTG8f8w25hwAdmojVhQURiNlYuxIguN21Aj8RDEE3gAo70xtmaxMlljbekJWFhuQGKCPBpMHHBnV7Sw8HVf8uWXN5Pn8Mvj/IPG1AdUteb4I8uE23CD4crg2OW1OKILBPP2mR/j2VAr+KSYeEKrOAIgQNhGE/kxtTQ08w+XUCijiZp9vPtNEivox7gFWFtSByCac1G4CAdAeeoQNfvUFlFzQ83NFA5T1xUj7XyF/vRstt41FUgDhUtVILRsGAjsz9ObKE56JR4/VwwwdLlLsxpD2qLYM7B1eou9XE9uJJwKXAPKhuUC/YSOwFUeLBOsJ+wqaAk8A4jiwoZlgg8lXoAjW+db4Crz98EZ0JJcOsIx8O4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 6,
   "layerName": "Historische gevelfoto's",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "edffeb9ed617610e436f4d931e38c126",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABIElEQVQ4je3SMUrEQBQG4P+FbcwVtrBxLawsRLFyI7ZhAm6ztcoeQjyBBxDtRSwnz3TCgLWlV9ADTCeY/DYRNiE7G1cLC1/3w8/Hm+EN8Msz+AcbUxTFdlmWR19ZRO7SNH1dGYzj+MV7fy4iEwAgOVPVcQgNgkmSfDjnpt571OgGSaeqySJ06R92oCOSzlo7Nsa8BUFVHVZVtdYuee8RRdEFySGAfQAjAM5am7TRBkjyVkQOujYl2cgisllv2kB/dDYisl5V1RaAblBErkg+BIAJyb06vpM8zrLscb7TANM0vV+E5Xl+QnJ3HjPGFO1eryer6inJGwASwnqBqnpG8roPthS01u4AmAJ4AgCSlyFsKWiMeQZwGOp8C1xl/j74Cf+mlQOqFBhxAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}