{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Zinc extracted by aqua-regia digestion (ppm in air-dried soil)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "No value",
     "url": "a861a72f6a1c45caca4ebfb0bdd20b8b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABEElEQVQ4je2UQSuEURSGn3f6FrJQxmKUlRL5A/IHpJSNkp9gN2WrZroGY4cF/8PKymZWlB3FRtnaWChlmOs7+rAxGfeIlTx1N/fcnnu67+lm/DLZv/ADZhsjEBeBcaANnAAHUnjiu29otrYCsQn0dZWuzRpLUv3ULTQLVbDtHneNQn5ktj4t1S6TQrPNCnS2+JoBeN4FZh0dxgWgnzQzZmFYCjcJoRUBeBCUJoCU8DVNJ/lD985nwmOn7R448wgPgSK9yYRwTwrtpFAKsZgzyFvAYA9ZC8rBPYdS/dwsTAE7wBxQei/dAftQbkjVR7ewQApXwLxZcwji2FtYlQtpucNPvi9p9RYolovMe/DvCF8AG9pOHbS8wPEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Below 8.1 (<5 percentile)",
     "url": "5a3765d86617b4d0a28306212a37a2bb",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "8.1 - 19.8 (5 - 25 percentile)",
     "url": "714c871da000657803173453ae7598ee",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABVklEQVQ4je3UPUvDQBgH8P81qS9FrdZBwangC6UoCFKbqrVSRBBcBOm3EPwG4qCbOuj3cLKLwrWDLUpRW2IWwdWloiAkjUkeSTupNDnRSfzD3XB3/O547jgZvxz5H/wQ5UYZkVlgA2DjIDIYUK4Hn0/UuGriuzVcqM5tgbALoAsggDV7RKz+h8XrVK4wfXElDM7fpjZB2G+zV9SR2Fm6lkwWJ8uaL5itzQ6ZDtuDVwh9BOkQwIovaDrSOoCQJ9hClzNqZpjH+aMn2LwAsTDbticAeIPEYDC3+iJxLP3z0BcwQCgJeq9SuLPqDz4FT+2IpQEU89KI4YhHueEL8iVupatKjihQADDQhiv0doe3hd9hcapUy6hKwrbYAcBW3YO3ZtgLQMc9ofBOfizfEAbd8HjpHsBaVksMNsyOUUgwdEO/q8xU3vCT7+s8dlkH4DahyKIL/w74DnauboEi4PGRAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      19.8
     ]
    },
    {
     "label": "19.8 - 35.6 (25 - 50 percentile)",
     "url": "f40cbe574a855325b830b7ff808d17ea",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "35.6 - 56.6 (50 - 75 percentile)",
     "url": "6737085c818ea213c2cb69cfa8cb3525",
     "imageData": "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",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "56.6 - 96.8 (75 - 95 percentile)",
     "url": "db554cc3fe35c1d0a4678dc02d54b733",
     "imageData": "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",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Above 96.8 (>95 percentile)",
     "url": "90eae28e3748fe80dee9ff064891d9c6",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA1UlEQVQ4je3SvS6FQRRG4UeMOyDhEohOKRQaGpVa48I0SlFpVAqnUJ1ohJJTkXABEoRMsguRmXz7hEqsZIrZmXfNz57ilyn/wtaTrGM+5re4GQr02MQSzvEUtVXs4wKTaYQ7EajBr1zH2I35JCNcxEdcr8dpnPQoI9zAsWGusPL9TVvCVznq1fcywh9RGrXZZHYBzxnhPZYHmlLZwklGOMYB7vDSkdUNH/CWEYrvUL/FZeOk25jBWStYOsLa6UOsRSffoz6HER47OUNdHsdIU6ZZ/DeEn7x/J3cS80pFAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Topsoil zinc concentration (ppm)"
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}