{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Offshore samples: metadata (borehole samples)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "0b31523f7de7b95756f984a6bfeab97c",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Offshore samples: metadata (grab samples)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "4b650a17e8ad1e827cc27547cfbd6cbe",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABNklEQVQ4je3STyiDcRzH8fc8T9Nm4pkmf4ptbo+jP8ltycFNNDcpOznJVXF0cPCvlVxFuWlnu6ghkqyQHPRMoWXNk2Y9PXjIgdPPeh7JaZ/j9/P7ver76yfzx5HL4L+8YcgbRrXyFA2dQ6D4O9BHoDXKQmicPl8bje+vvGV3OMmss/Gwy4pT0KVOsRqeYPh7ICM1DNDl70FNTyJlkyzaBpuGiAVjDIo6t0JVyyixbJI10fqy6FJdN5EKN9JPa9VHaK/tpV/fJ2ELlDzUUCIuGbwB/LqgE4JmjttS4LPGi5HjCLtg4Zrlx2OiSieKqL9PcJDf49w2eLPJhbeZWVzMKR1Uf80tE+62SRsZxhz/w8t54kGT1NMZ05V+QpZFsaCRuvIwwxaWY/Az2hKnwAgOIjs5XAYR5QNML1LqdmqNbwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Offshore samples: metadata (other samples)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "12632d80815e2bb241533e6931815f3e",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Offshore samples: geology (borehole samples)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "9ceeb3054974cc9c0fb3d09caad4abd1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAgElEQVQ4jWNhoDJgGTVwCIXhfAUGDm5ZBiV08R+/Gf7HnWC4TrKBu/8zeOWzMqxFF3/yl+EHAwODKAMDwxeSDGRiZPgny4Up/p+R4R8uPSAwmg4pByy4JJY8YNi/5AGDIRYpJgYGhu8kG8jAwPCRgYHhAtVcSC5gIVvnqIEMUAAAKq8XMPXZy6EAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 4,
   "layerName": "Offshore samples: geology (grab samples)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "ec3487a7a1df62ee7d879793ab8c23ab",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAf0lEQVQ4jWNhoDJgGTVwCIWhwnwGDlluBiV08d8/GP6fiGO4TrKB/3czeLHmM6xFF//7hOEHAwODKAMDwxeSDGRkYvjHJYtF/D/DP1x6QGA0HVIOWHBJPFjCsP/BEgZDLFJMDAwM30k2kIGB4SMDA8MFqrmQXMBCts5RAxmgAAAqCBcwA0ySrQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 5,
   "layerName": "Offshore samples: geology (other samples)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "99513a054b380bf37eb770e1fefa8e5f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAgElEQVQ4jWNhoDJgGTVwCIVhg8N8DhV+cSV08e9M//6nrve5TrKB198c9XJWrV6LLv7006MfDAwMogwMDF9IMpCJhemfDJ8Chvj/////4dIDAqPpkHLAgkti+YVZ+5dfmGWIRYoJlHpINpCBgeEjAwPDBaq5kFzAQrbOUQMZoAAAxK8dhEyekrQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 6,
   "layerName": "Offshore samples: geotechnical data",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "7f4217e82d47a5628ff449a9d95173bb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAhUlEQVQ4je3QoQ0CQRQE0JewFIBDohBnUSg0BWAwGPCXgEHQCwaFoARohhawYL64gNpjBSQ3yU92xD4xSeGkDvzfDXsY4l4K3GCKVQlwgDXGOOL6LbjDJN41bni2BSssG30e/dQW3GLU6P3Y84JHLriIe88MexxywXNcVlLuhw78yO9v+AIvDg7BobniWgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 7,
   "layerName": "Offshore samples: particle size analysis",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Mud(M)",
     "url": "f759438265b58531e44fa5689348d61b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA8ElEQVQ4jWNhoDJgGTVwiIXh////uS4z7C5+y/DY/j/Df1Y+BtEzmgwuPdyM3M9JNvD///+sJxhWr7zDcNIHJvaU4brdO4Zndt/+vwngYhR5SpKBVxj25N9hOAU3DAZeMtwxucJwsJqBgSGLJAPfMTyzZGD4j1XuE8MbazLC8D8jLhlGhv9MJBvIzyB6hJmBJfAvwx8MOV4G0WMkG2jA6N13/P9Kj/sM51wRhjIyyDLoXBVmkC8j2UAQsGQMdzv1f13dZ4Z3zowM/1l4GUTOSjCIl8symnxnIDdhmzEGNTEwMIAwUYCFWIWjBuIEVA9DADHXRB6XYmk6AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "M"
     ]
    },
    {
     "label": "Sandy Mud (sM)",
     "url": "479801c7232de80c7767b8203cb2b692",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAyElEQVQ4je2QPwtBcRSGn6Nr8LOJxSqL2SJ1DSKDga9hMSgGZTDL9/A9ZGIkZVKklJS/m6M7SAq5N4vy1FnOe3o6vRZfxvoLf6xDVTUwr8EuA+oHM4RoRyS4ci1UdQTTHqyK9+3GhoOteiqJmKXLD+fVR9mNbRIWTaDiUrhPvc6OaS8dypvI50Fo+uArw+VJFhi4ForEuqqTAqxzj9LwGCJ1Dx+CSCKvOmvBIQtiQWAEpiESOnsSOojE24AzH2F9evgXvuTrHV4Bm1QwWDEYdnwAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "sM"
     ]
    },
    {
     "label": "Slightly Gravelly Sandy Mud ((g)sM)",
     "url": "b067a74b1a3d639ef73dd25a117dee25",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA70lEQVQ4jWNhoDJgGTVwiIXh////uZoYrhafYfho/5fhL6sGA9+ZSgbVHlFG7uckG/j//3/WZIazK+cx3POBiW1jeGF3nuGD3c3/3wLUGbmekmRgO8ON/PlIhsHAfoZXJpMYblQzMDBkkWTgWYb3lv9xyN1k+GxNupcZGBhxyTEy/Gci2UB1Bp4jHAzMgT8Y/mLIqTDwHttNqoHtjHp9if9PeSxneOwKMxTk5CAGmauODAJl00k1EATmM5q55f4/V3eX4YvzPwYGFmUGnrPKDKLlYYyy3xnITdiTGY2aGBgYQJgowEKswlEDcQKqhyEAbgFEou2EXHEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "(g)sM"
     ]
    },
    {
     "label": "Gravelly Mud (gM)",
     "url": "33b6e4e4403b5623857d5b930a42b9b1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA8ElEQVQ4jWNhoDJgGTVwiIXh////uZpevSs+8/WX/V+G/6waHKxnKiVFekQZGZ+TbOD///9Zk5+8Xjnv7UcfmNi2Twx257/9srv57VuAOhfXU5IMbH/1Ln8+kmEwsP/LN5NJH9iqGRgYskgy8Oy3X5b/ccjd/P7TmnQvM/xnxCXHyMDARLKB6uysRzgYGQN//Md0pwo7+7HdpBrYLiXal/jopcfy959dYYaCnBwkwHPVkYu5bDqpBoLAfDlxt9zHL+vu/v7j/O8/A4syG+tZZYaf5WFCkt8ZyE3Yk2XFmxgYGECYKMBCrMJRA3ECqochALywVLqQah6HAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "gM"
     ]
    },
    {
     "label": "Sand (S)",
     "url": "303c00ff47fe43db6706e07f44299d61",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA5UlEQVQ4jWNhoDJgGTVwiIXh////uRgYmooZGM7YMzD8ZWVg0DjDwFDZw8go+pxkA////8/KwJC8koFhng9CdJsdA8N5u///bwYwMqo/JdGF7fkMDPORDIOB/SYMDJOqGRgYskg08KwlA8N/HHI3rXHpYsFt4H9G3HKMTGQYqH6EgYEjkIHhBxY5lWMMDLtJM5CRsb3v//9EDwaG5a4IQ0GODrrKwOBYxsAwnVQXMjAwMs53+/8/t46B4a4zA8M/FgYG5bMMDMrljIxh38lO2IyMk5sYGBhAmCjAQqzCUQNxAqqHIQAtCDNDqXl21QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "S"
     ]
    },
    {
     "label": "Muddy Sand (mS)",
     "url": "a125340f15542208a7d38a70de17d2e0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA9klEQVQ4jWNhoDJgGTVwiIXh////ud69aCr+9e2M/f9/f1lZOTXOiEhX9jAyij4n2cD///+zvn6YvPLj23k+cMFP2+x+fT9v9+3bzQAuLvWnJBn47kV7/se38xGGQcG3T/tN2NgnVTMwMGSRZOCvb2ctGRj+Y5X7+eOmNTleZsQlx8DAyESygawc6kcYP3ME/v/3A0OOnV3lGAPDbtIMFJVp73t5P9Hj84flrghDGRl4BIKuMvM6ljEwTCfNQBAQV5zv9vJxbt2fH3edGRj/sbCyKp/9yaRcLikU9p2B3IQtLju5iYGBAYSJAizEKhw1ECegehgCAERJVcIK5qN5AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "mS"
     ]
    },
    {
     "label": "Slightly Gravelly Sand ((g)S)",
     "url": "8ca2e56d73df6aecbdca3de47faea4e2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA8UlEQVQ4jWNhoDJgGTVwiIXh////uRhuNxUzfDhjz8Dwl5WBW+MMg0JlDyO36HOSDfz//z8rw8XklQyP5/kgRLfZMXw8b/f/280ARi71p6S58G57PsPj+UiGQcHb/SYMdydVMzAwZJFm4PuzlgwM/7HLfb1pjUsbC04DGf8z4pT7z8hEuoHc6kcYmDgCGf79wCKncoyBYTdpBjJqtvf9v5DowfB0uSvCUEYGBsmgqwwyjmUMDNNJdCEDAwOjwXy3/5dy6xi+33VmYPjHwsClfJZBQLmcUSjsO9kJm1FvchMDAwMIEwVYiFU4aiBOQPUwBADj1ELOJ4xxiAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "(g)S"
     ]
    },
    {
     "label": "Slightly Gravelly Muddy Sand ((g)mS)",
     "url": "b357e29f8a518ceaeb0793dc6767dc48",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA7ElEQVQ4jWNhoDJgGTVwiIXh////uRgeNhUzfDljz/DvLysDt8YZBonKHkZu0eckG/j//39WhhvJKxlezPOBC77dZsfw6bzd/283Axi51J+S5sKH7fkML+YjDIOBD/tNGJ5OqmZgYMgizcDPZy0ZGP5jl/t205qMMPzPiEeKiXQDudSPMDBxBDL8+4FFTuUYA8Nu0gxkVG7v+3890YPh1XJXhKGMDAyiQVcZRBzLGBimk+hCBgYGRs35bv9v59YxfLvrzMD4j4WBQ/ksA6dyOaNQ2HeyEzaj6uQmBgYGECYKsBCrcNRAnIDqYQgAJkVEyDwrT/oAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "(g)mS"
     ]
    },
    {
     "label": "Gravelly Muddy Sand (gmS)",
     "url": "85c3320fae6cbeefb4a0f6fe999a2fb4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA30lEQVQ4jWNhoDJgGTVwiIXh////uRiuXi1mePvWnoGBgZWBl/cMg7p6DyM393OSDfz//z8rw4kTKxnu3/dBErZj+PDB7v+3bwGMXFxPSXPhtWv5aIZBwIsXJgzXrlUzMDBkkWbgu3eWOOU+fbLGJcWCU9O/f4w45RgYmEg3kJ//CMOLF4EMf/9iyvHyHiPZQEYDg77/J054MDx86IpiqKzsVQYhoTLSXcjAwMBoYeH2/8yZOoYvX5zBanl4zjKIi5czysp+J8tAEGA0MWliYGAAYaIAC7EKRw3ECagehgAxwUCFh7eCnQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "gmS"
     ]
    },
    {
     "label": "Slightly Gravelly Mud ((g)M)",
     "url": "bb57634bf364c8bed4edbdb203729aad",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA70lEQVQ4jWNhoDJgGTVwiIXh////uXouXy+++Pa9/d///1nV+PjO5Ggq94hycz8n2cD///+zFpw4u3LZnfs+MLE9T5/bXX73zu7mt28B6lxcT0kycNKVG/nLkQyDgcMvX5ssuHKzmoGBIYskA8+/+2D5H4fcrU+frEn3MsN/RlxyDIwMTCQbqMrPc4SdmTnw59+/GHLKvDzHSDawxkCvL+/4aY919x+7wgwFOdlbVvqqibBAGckGgsAkS1O3ylPn6h58/uL8n5GBRZ6X56y4hGh5mKzsdwZyE3a7mVETAwMDCBMFWIhVOGogTkD1MAQA7Y1TwD4U/4gAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "(g)M"
     ]
    },
    {
     "label": "Gravelly Sand (gS)",
     "url": "cc6d7c9372c4224184f597b842fa7cd0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA2klEQVQ4jWNhoDJgGTVwiIXh////uRieXi9m+PLBnuH/f1YGTt4zDPLKPYyM3M9JNvA/yIB7Z1cyvHroAxf88MKO4dtHu//fvgUwcnE9Jc2Fz27koxgGAx9fmTC8ulnNwMCQRZqBXz5a4pT79sWajDD8z4hbjoGJdAM5+Y4wML0MZPj3F4sczzGSDWSU0+77f/uMB8O7J64ohgpLX2Xg5ysj3YUMDAyMqiZu/+9fqGP48dUZrJad+ywDq3A5o5Dsd7IMBAFGRYMmBgYGECYKsBCrcNRAnIDqYQgAzUxCtG1xUcIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "gS"
     ]
    },
    {
     "label": "Gravel (G)",
     "url": "1f0e12a141ef99f017578070539a123c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA9ElEQVQ4jWNhoDJgGTVwiIXh////uZ42vSv+euaXPcPf/6ycGqxnZCtFehhFGZ+TbOD///9Z7ye/Xvl63kcfmNiHbQx2X8//svt281sAlzrXU5IMfNb+Lv/1fIRhMPBp/zeTV5PYqhkYGLJIMvDr2V+WDP+xy32/+dOa9DD8/58RpxwjAxPJBnKosx5h4mAM/PcD05lcKuzHGHaTaKBcu2jf3cSXHu+Wf3aFG8rIwCAYxHOV15G5jGE6iQaCgPJ8cbeHuS/rftz948zwj4GFXZn1LLPyz3KhMMnvDOQmbPnJ4k0MDAwgTBRgIVbhqIE4AdXDEABoGFOtSJHKngAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "G"
     ]
    },
    {
     "label": "Muddy Gravel (mG)",
     "url": "de0be30355458952632be73b9a653fe1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA4UlEQVQ4jWNhoDJgGTVwiIXh////uZ4+ZCj++pXBnoGBgZWTg+GMrBJDDyMj43OSDfz//z/rvdsMK1+/YPCBib1nYLD7+pXB7tu3/wFcXIxPSTLw2WOGfGTDYODjBwaTV08ZqhkYGLJIMvDrFwZLXHLfvzNYk+5lBgZGPHJMJBvIycVw5CMTQ+C/f1jljpFsoJwCY9/dm/893r5mcEU2VEiE4Sq/EEMZyQaCgLI6o9v92//rfvxgcGZkZGDh4GA4y8zOUC4kxPidgdyErajK2MTAwADCRAEWYhWOGogTUD0MAZ0jQPU2x02rAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "mG"
     ]
    },
    {
     "label": "Muddy Sandy Gravel (msG)",
     "url": "126cc629f3fedb18e7d14fc57fb8bbc0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA4UlEQVQ4je3QMUuCURTG8f95vXcxJWhxcnZtcCgCHaRocLCv0eIg5BA4OEffw+8R4qCjruEQuhQiYoPe98jrJOEFr7gEPnCW+xx+XI7hxDFn8J/dUFXT8ZCG+6YMWMnSNwXe5EImwaCq2nWPjvukuvNc0hklXWpN0vIVBK5H1P9g28RTim7EK/AcBPLDra+K59z5OuMFY8TbQRQOXvLBlCfcHi1LNxi01/K+6umjG3O/i0Z5hqkrXsJ/CNgbeVj1taULKslulGGQytGUvPweBSaxRWkDyRwUc+jiGfTm5DfcABI3PCMjq5Z2AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "msG"
     ]
    },
    {
     "label": "Sandy Gravel (sG)",
     "url": "26431339ac3be5ef85da7d3f40ba0064",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA3klEQVQ4je3SMWqCQRCG4Xc2+6P8pXgAEcQLpBFBC1EsLMw10lgISRFIYR1yD+8RrLS0EKsQRMHGQqMQ3RGxkZAFV2wCfrDNzvLMMKzlyrE38J/tUFVj90lbV5SBSJL0TZY3EZkGg6oa7cZ03YzGyXXJrSjptzYllkkQ6L5o/cKOjRbcuwkvwGPYhEsK3mZrir6a9YIgvhpggkET87EzPOD+rPWCwbuMvG9HWndzqqeopBmaFE/B4CE2L7Wfsb6yoYJgTZKBSfAsKVlz6ceOctIBDues2HMf3kBvrr7DPaZgPGnY6gL7AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "sG"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 8,
   "layerName": "Offshore samples: geochemistry",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "a85ed24e56ae7281100650d0044ade78",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA5ElEQVQ4jWNhoDJgGTVw6IUhlzqDZTEfg7g9IwMT6xeGt2ceMJzu+cbw7Tk5BrLqM7ivlGXQ8YEJiDEo2vEziNldYNgX8J3h7VOSDFRmMM1HNgwGhBnkTJQZ9KuvMOzLIslAQQZJS1xy3AxC1rjkWHBJ/GdgYMQlx8jwn4lkA78yvDvyj+FPIBMWJV8ZPh4j2cAbDEf62Bm4PaQZNFyRDX3OcOvqE4Z7ZSQbCAIXGXa6/WH4VcfNIOjMwMDI8o3h49kPDF/L3zPc+85AbsK+yrC/iYGBAYSJAizEKhw1ECegehgCAK/kNmglZuTxAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}