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     "url": "01e08c20b3017c12f9d9c2c9b73bbac4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzklEQVQ4jd2U2w2DMAxFb6qskVmARWgHARUEg9AuUjpL9qgr0yAR1KQxylf9E8W2jq4fiUZm0/8BHGrb8dneTZcFqBSKlLwk4Hi2D1Lo8ULJSn+p1LHgcLElCGgnMwOYGcg+d5cDFeG6qHPG6lw/5cDBV+fHIqXrmLrmZqq9n0FjbQmADAhCGYypAyUT0H8rjX3bviYDNwPw+qoIRTOFV0cjZqfPqqwq91MXA9vJMHBZaIaHpi56KWvpoakf/m2I8EzJ0ylJKb+MCCix7MA3kyBkCQpEbtoAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "grassland/grazing land",
     "url": "adda0cab7b7eb688abef30243af1fbe3",
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     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "natural exposure/outcrop",
     "url": "2859532dbccf67bd6386a73571c14990",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzElEQVQ4jd2UTQ6DIBCFH81cgLvouvZO2m11a7lT7Vrvwg2kGaMJmEIZ46pvQxgmX978BMLJov8A3kfb8tmXuj0F6BSuOXlZwGayL+fQXYCKnf5ySanHerQVn6bUA4CBgRxb73KgUniwu+3O7tZ+yoF16C5QqnRKuXsW+raPM6iZrAMgAwJYHEYkL1k5dN9K49js9TUb6A0g6CvvpCniq0NIaF5XZXO5n7oYaErNwGWhGb7FDgP90mNTP/zbKId3Th7lJOX8MiKgRKcDP+ruYRGPTyFOAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "surface",
     "url": "c3c14967df06db8eeca0f6d32d2fedb2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzUlEQVQ4jd2UTQ6CQAyFX8ncC7wEehKElbBi9CToJcSL8UwJJkAEp4SV3Uymbb68/sw47GzuP4B1lpZ6FrdHuQtQROKQvCCgPx+fFKnQdYkq/aXSrQXr/JSAROGbFkCrQPUNdztQyEuvbjBVN/TTDqyn6qaxldLdmrr8ej/M/QryWUoANiDIZDEmYi+ZQPWtNPWN+xoMHA1g0lch49w35bY9jKJ2rHI+dTOw8I0C+4VW+NLUTS/lU/rS1Df/NiRfIXkuJCnklzEBLbY78A1i2G8CfJVPFQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "wetland/swamp/marsh/bog/fen",
     "url": "b792b9332b26539d1148839d50fe3e89",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAxUlEQVQ4jd2UzQ3DIAyFXyMWQRkk6Q5cmKZhGi7skHSQNpuEyhFRC0IEo5z6LhaW9en5RwhcLPEfwJeyE8Xe6ekSYAcMNXVVwFXZGYDZgJGcnrkUJ7CRonR6AbAQkHLhzQcCeJC740Huwjz5wDV2F6nUuii5k07f0ySB3sp6ADygB3aHOd1aWvaAybUWZmjYwP67gHSugyycjkBBXTiVH5fR1tlA6TQB94Mm+JFrBiatZ7fe/NtswLOmTtQU1fwyLCBHlwM/42JXDTWmjaEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "wetland/swamp/marsh/bog/fen"
     ]
    },
    {
     "label": "<all other values>",
     "url": "bb2f5ec5626be1c58b43133120194baf",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiklEQVQ4jd2U0QrAIAhF70P/Nfdlsy+b+7LtxWDIXGLtZRdCqDhctSyYrPIbIJs4DFyC9xAB7gAqAFKHPAIkjaKLdU+ywE3dNTWHKSDd3Fm5qZeOu9WBnRkgvZylUq5OamzqGgY+wUjfJGe7LAZsu54CtgctvfpFf0pz6HU9PW2OL6YNZgHDmg68ANonHRFoOh+eAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Sample Source"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}