{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Sites karstiques",
   "layerType": "Feature Layer",
   "minScale": 100001,
   "maxScale": 0,
   "legend": [
    {
     "label": "Abri-sous-roche",
     "url": "ed15723e804a6ff41ac344c59de28ec0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA0klEQVQ4je2UPwrCMBSHv5b4D8ne2bFCbxCo4CDo4t6Orh7ARQcv0CMUugudHDq41tUbFFcHbyCpKEIRDYo49DeEvN8j33sk5Am+LFEDf3KHPWAItIA9kH8CXAELoPHgbYAZcDIFzoGl4zgopSiKgjwvm5sCTWBiAuwAa9/3SdMUKWVpJklCGIZ6OwZGwPZdYB+QURTdYVpBEBDHMVmW6VCZANt6cV23kvA87wbsGj+KZVkVz7btP/p6QpjXE0/8AzB4cfZoAjwDO7PerqrHFx/rAjhCI/gRaEUHAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "a"
     ]
    },
    {
     "label": "Cavité",
     "url": "2d461bd9a895c66edef58f2e5fc59522",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAh0lEQVQ4je3QMQ4BYRAG0Ff8Ftm4hNYZFBKFhGYPod0DaCjcR6vU0rqCVuEGWsVm18RGbOIrv2TeTCZpOekPfuWHY8zRxwXnT8AdNui9dAescY+CJbYVfYEMqwg4xL5m2RILHN8FJxipzzQCDjQnryqTlpM6C14xa5i9RcAHTrHbuv5DPwM+AbRFDaIsLK27AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "c"
     ]
    },
    {
     "label": "Doline-Dépression",
     "url": "60b71cd450802c990160f1470d95fe97",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAvElEQVQ4je3UPWoCQRjG8R9hIH3wCnYWeofgEey8hEW0sBabVB7AQsQ7qASSE8QrbGVnY5HKBGGKCFl23N004gPDMPO875+Zdz6CmhXuwH+rYQuNgtxvfMS+ENjGogC4wnvqCpcYoJPjf2H0lxFyEs7beMEmx39Fdg3wrC3W6LrUHlMlL/YQz3j4NTfGsSzwM9azH8c7zKs+vTF6eIwHdaoKzDBDE291fQ4TPKUEhkTgIbbagMkK6aG3AvwBmkUblaanPiMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "d"
     ]
    },
    {
     "label": "Dépression paléokarstique",
     "url": "25196ea4de3faffd0e228deda2cc1fff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAg0lEQVQ4je3TSwrCMBRG4U9IN1gLtnvxvRndQ7sBN+BmdOAkQhFLa5qJ0DMJJDeHy82fIDNhEb4p8DBO8Vk3NMMr6hHpFi1uU4RllG7w/HK+wxndL69c9jrtS/c4pcZmjQuaKD3gODeHVVzvsbsswa4m1ll+ynzCwP4qtzCZkH71X4UvrnIS7JEmwLAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "dp"
     ]
    },
    {
     "label": "Perte-Chantoir",
     "url": "7072a570a998b684df06679d48e322a3",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "p"
     ]
    },
    {
     "label": "Pseudo-doline",
     "url": "5a201509e8b37890342534a53af5d0e3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAbElEQVQ4jWNhoDJgGTWQoTqQoVeEn8GImKB49Iphev82hlV4w1CUn0E734vBgRgDE6cxnGBgIGAgpYBl1ECKAQvlRqCCUQMZGBYfYth/6h7DEQYiwPk7DLcJhuHZewydZ+8xkA1YyNc6VA0EAOMrFPfAlXVsAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "pd"
     ]
    },
    {
     "label": "Puits houiller",
     "url": "c488d78ddf88b3165d35d8faf8ed68db",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "ph"
     ]
    },
    {
     "label": "Puits naturel",
     "url": "6983ca1aa63c3c9b0f101c1f68710e27",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAxklEQVQ4je3SMUvCQRjH8c/wb5BqCAdXkdZeQ69BaAikwd3VdxL6EkQoSIxqaXBxcu5FCCINUQiCCDeInHpHjn7hhuO5+z73/LjCkSlOwl2c4QpTR8jwGj1U0cTrf4QP6OAi7Id4RBt/OcJLdNGI1Fq4xT2+UoQVjFHb8/IbTHCHt0PCOcoOU4qNXUQOLkLwsXE3mWGUIlzznCB8wTJV+IEfnO8RrptKFf7iPYQe4xufuf/wCfUdtUHIOkvYDyuLIvfCSWibFZTvH1xFyJPCAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "pn"
     ]
    },
    {
     "label": "Résurgence-Exsurgence",
     "url": "73f3cb908dac3207674c438d5bc9a36e",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "r",
      "R"
     ]
    },
    {
     "label": "Divers",
     "url": "2a459f60f50d45113d725ee30ff2389f",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "v"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Type de phénomène"
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Sites karstiques > 30m en surface",
   "layerType": "Feature Layer",
   "minScale": 100001,
   "maxScale": 1000,
   "legend": [
    {
     "label": "Sites karstiques > 30m en surface",
     "url": "d667f571312147990f7b305c7a0bd22a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA90lEQVQ4jZ2UsRHDIAxFP3eqM4NHYQpPkEEYI2VGYQrXmSBF6tw5J0d2FFkYndWA4Vkg/gear6jgeElr44IMwoA3Hl3miTtxJ90wuCCAuaAAyABq+vbbzBMgXpkHPFhApILMfY+bf9/L7mktw8Iq2dbapCoZlvkRhTzYJvv7Sc3rcUiQA9ej8xJuFadabksYDdldFaF2QScFaHJ0VoAWR4spnbOICLDjJk7Ixj4pgMPViLGbAjgcusaOCpUixo4KlSLG7gpgFuwZO3OZPaE8hlqvRkAolyGTbCvBE8GemX9TxNgaVKUdvkD+TWHbTLKD0ZSoxyMMgA9TPwRzE3m7GwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Ecoulements souterrains",
   "layerType": "Feature Layer",
   "minScale": 100001,
   "maxScale": 1000,
   "legend": [
    {
     "label": "Circulation d'eau souterraine hypothétique (pas de traçage)",
     "url": "6f9fbcf36b7689c524b3bbe6b8349bf7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAm0lEQVQ4je2SsQ3CMBBF34ljBGgZIzUrUNBQRwzEFh4hUqpIEQViBnoLZYBADllA5IYC2Q0ir7C/dbp3V1jJjE7CZPQPhea4IFQYFT217OiShMAKowRK5tzNcRoHLDjKmtu3wpgZUGB4BI+nAcQcFoqyfeZwh3ecY+EAnMetOlrZ07/qh3DETZ/yG0VZyoYrmdCcsh/5h0xCEnkABGIri2DhM1gAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Circulation d'eau souterraine hypothétique (pas de traçage)"
     ]
    },
    {
     "label": "Circulation d'eau souterraine vérifiée par traçage",
     "url": "11def205e7fcca9690bc035f9faf160e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAhklEQVQ4je3SoQ3CUBSG0fPCYwSwjFHNCggMumEKFuoITbAEQZgBT0gHKPBQNAQFbQ2h3wDn/uJGPRcHsHPxD8FUOAlKSam2DStVJxAzSY7c2C0VDs2BiX2Yu34LvjZCJsmwcSYVPioshSd4x7FZVdmFtVrLomgaFi5tgfdin9iP/KEB1LEHPYchCvNgl4cAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Circulation d'eau souterraine vérifiée par traçage"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Description du traçage"
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Failles",
   "layerType": "Feature Layer",
   "minScale": 250001,
   "maxScale": 1000,
   "legend": [
    {
     "label": "Faille",
     "url": "070c32f99f3c032545a641d3d71a2df4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa6Ofn958ahm3atImRNi7ctGkTI1UNpCZgoappDKMGUgMM/kgBADPDBmghJ8BhAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 4,
   "layerName": "Galeries",
   "layerType": "Feature Layer",
   "minScale": 100001,
   "maxScale": 1000,
   "legend": [
    {
     "label": "Galeries",
     "url": "c91ea2e17403d08eac23bc4cda91312c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWNhoDJgGTWQYsBCuRGoYNRA6oXhfwbqAEaYgYxUMpBhNJYpByxUMINhhBsIADThAVLib9EcAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Cavité",
      "Perte/chantoir",
      "Résurgence",
      "Résurgence/Exsurgence",
      "Perte/Chantoir"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Galeries"
    }
   ]
  },
  {
   "layerId": 5,
   "layerName": "Formations carbonatées",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 1000,
   "legend": [
    {
     "label": "Craie du Crétacé",
     "url": "c441ef0b06ad4786a9073e0382b90b28",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3VoREAQAgDwYj0lrZoi+5+XqITB1fA2mM3CqEkFBGOB9rRJ2YH+jFgjA7040JQyi3giw8IuQRfZrqZLwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Craie du Crétacé"
     ]
    },
    {
     "label": "Calcaire du Carbonifère",
     "url": "90ee7d2823bf2bdcc79b4d4bff9bb273",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNJO7u6gYFKYJZxaAMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINnGUcSrUqAGQiAFvNBfOdmHDgAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Calcaire du Carbonifère"
     ]
    },
    {
     "label": "Calcaire du Carbonifère sous couverture",
     "url": "fd1b57ac4880a7639986248c4988204a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAfUlEQVQ4ja3UwQ2AIAwFUA7dyFlcgTmcgxWcxZ1ME21o0FLa/28c+vIhpFSv8yhd2rar8yy1m+dZQmFvCIkJiMI4hMQ46g0zWHuKERJzg17MBa5gU3AVM8EI9gtGsU8wgw1gFlMgAhMQhXEIiRXr20SWxrBgM5g0jFzLKnADnplVNxAp1qkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Calcaire du Carbonifère sous couverture"
     ]
    },
    {
     "label": "Calcaire du Dévonien",
     "url": "324d513f4312c28eb9ed5bfbaac82863",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWMpcOlsYKASmLCnvIGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGTthTTrUqAGQiAF2EBpRA6UnVAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Calcaire du Dévonien"
     ]
    },
    {
     "label": "Calcaire du Dévonien sous couverture",
     "url": "3c032d578268f87eda93c37c7709d6a1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAe0lEQVQ4ja3UMQ7AIAgFUAeO1gO5de3azQP1cA1JSyS2iPD/5sDL1xiobudRurRrV+dZajfPs4TC3hASExCFcQiJcdQbZrD2FCMk5ga9mAtcwabgKmaCEewXjGKfYAYbwCymQAQmIArjEBIr1reJLI1hwWYwaRi5llXgBg63Vxob/QL5AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Calcaire du Dévonien sous couverture"
     ]
    },
    {
     "label": "Calcaire du Sinémurien",
     "url": "23dc1e3f5ccb3087b70e038500d5ad23",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWO5ejWmgYFKQFt7SQMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgIN1NZeQrUqAGQiAFqXBcu59f+9AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Calcaire du Sinémurien"
     ]
    },
    {
     "label": "Calcaire du Bajocien",
     "url": "6cef6c01bf71a9616b26f5e5d73e8fd0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWO5OrmkgYFKQDu3p4GFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGauf2UK0KAJkIAFstBfWVlMsPAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Calcaire du Bajocien"
     ]
    },
    {
     "label": "Schiste et calcaire argileux SVP du Famennien",
     "url": "cbbc25523ee3464aa0c037149ee12edc",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWPpPJvWwEAlUG48q4GFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGlhvPoloVADIRAFvLBhVF/embAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Schiste et calcaire argileux SVP du Famennien"
     ]
    },
    {
     "label": "Poudingue du Permien",
     "url": "fbf2567059fd44ca5962b2f56d6643b1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWPpLHBpYKASKJ+wp4GFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGlk/YQ7UqAGQiAF0mBpTBbUqAAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Poudingue du Permien"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Formations"
    }
   ]
  }
 ]
}