{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Oil and Gas Field",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "ab1b9bc9b86fb96ba11d543144f792b1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAd0lEQVQ4je3SsQnCYBCG4Qe5CUQXiEM4gpA17F3BNl1GcI60adJkAKeIG4gIFhYSDn6rkLc7+HiqC38uVrC4WAxYYYcRz1LwghYbdKjn0EiA1w/27oQjhhJwwvbrfsyNIwGeccMeDe6lYI9DYrewP0wX+ekK+t0LFccMYsqxhH0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Geologic Province",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "72938153874516cb174b737d7e5c08b4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWP5z8Dwn4GKgIWahqEYyAhG5IP/UJ/SzoXUAixUMwkKRg2kHLBQwQwUMGog5YBlBBv4n0olN9VdCAClQQZNqQqKjAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Rock Type",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "e - Eolian deposits",
     "url": "0a2be5b1fb0673c63e12dc806f3813e4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4je2SMQoAIAzEMtyz+nzxWSKCkxRBrYNgllICLRwngtETBw3IQHF8c6x4AWnycOZcL4LR7YPW526m6DSzNzO038MjNOy/h+uEF7sCOU4b+RH2d0QAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "e"
     ]
    },
    {
     "label": "i - Intrusive igneous rock",
     "url": "2b04374fa12e7eedfc3c58f8758e3dbf",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAnElEQVQ4je3TMQoCMRBG4a/IDawsPIF221p4AAtv4Nm8wYJXsNTSylZYwQvYCLKQhY2wicU2olMF5vESZvIHzHE2XFvsMv2ECQWZD2QJ0wpHrfCbwimaDFPhVPBUHdMK17j3mns843mJFWa9/uXtZ2ywiEwdouA2cPMBDxwzr6tx7ZjvWMrowklmhmLWczNMmH+WfyXLTQEuyRLmBRndH+UBqdn5AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "i"
     ]
    },
    {
     "label": "v - Extrusive igneous",
     "url": "d19aee5861d85f0ee72707944c59731b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAl0lEQVQ4je3SsQkCQRCF4S/YAq4FU2swETETa7ACwUgQU+MLLcDMxNwCBDswNDayApWDNdlAduEMlBsYmOEf3jDDC1qO8E3BCn2cMcIxmc3h97dgDzus8MQEYyzxKOCDELdtMMMlLphjgT22BVwjuMYUt+SEGtdSHjD88ONDzGwetBzhpwSrzod158M/86GmwSnW6XAu9wIkJ0/fe6LuvAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "v"
     ]
    },
    {
     "label": "w - Ultrabasic igneous rock or ophiolites",
     "url": "1ab902922f14461c403b3bfcb4fc992e",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "w"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Geology",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "CzMz - Cenozoic/Mesozoic",
     "url": "859b7ef41527c0e25e03d390f7a9fc46",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWO5e/r0fwYqAWVTU0YWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQaqGxqykhNEwFZOATfgjbTCgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "CzMz"
     ]
    },
    {
     "label": "Cz - Cenozoic (undivided)",
     "url": "357231a5ffe7285d23e2e94370ce861d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQMjFalXhlXZmTrbyAp7d54YJUMkw44Yy6sW0oY6GY9hQxw9DoNI5PljnBPGmXR6vAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Cz"
     ]
    },
    {
     "label": "Q - Quaternary (undivided)",
     "url": "4274887026c68f2ab56fb2d361b711e5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQMhFH2IrkHZmTrbyAp7d54YJUMkw44Yy6sW0oY6GY9hQxw9DoNI5PlhNBKS3hytxAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Q"
     ]
    },
    {
     "label": "T - Tertiary (undivided)",
     "url": "c1e835e14d98a38bd5a213cd7ec8c3c3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDwMBFH2IrsHRmTrbyAp73oGGShSDMuKGMejFtqKPhGDbU8cMwC+EcHwc7A6LHVSOfAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "T"
     ]
    },
    {
     "label": "N - Neogene",
     "url": "ccd0b14e1a95db0f3fa4057025b535ce",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3MMREAMAgDQOCiAYdVhcOKaDszJ1t5AY+z1zWRyHKYGCakgS+6CXkQHM2EPHwYRpYrxwdZIwUF5S/9cQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "N"
     ]
    },
    {
     "label": "Pg - Paleogene",
     "url": "ee567b79fd0b833f117d79cf4e1ab591",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWP592rTfwYqASYxP0YWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQayCTmx0hNEwFYiQS44QVJgQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Pg"
     ]
    },
    {
     "label": "TK - Tertiary/Cretaceous",
     "url": "95a2b787d58ba89779c915e34019a95c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWN59W/TfwYqATEmP0YWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQaKMbkx0hNEwFYnQS4RSqAzgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "TK"
     ]
    },
    {
     "label": "MzPz - Mesozoic/Paleozoic ",
     "url": "c2a7f992a0bad71baebac2515b2f721e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWO5u+n0fwYqAWU/U0YWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQaqOxnykhNEwFZgwT4aWbGxQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "MzPz"
     ]
    },
    {
     "label": "Mz - Mesozoic (undivided)",
     "url": "a865997efe3b24c99695f2cd28071659",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWOpP+3zn4FKoNF0CyMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINbDTdwkhNEwFbrgW8KWYCqwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Mz"
     ]
    },
    {
     "label": "K - Cretaceous (undivided)",
     "url": "577b8baf914c728df896fa7dc80c366f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4je3MsQ0AMAgDsIDyd8XjpTNzshUfYJ6LhkklgjDjhjLqxbShjoZj2FDHD8NKhHN8CFMD1fiVI9UAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "K"
     ]
    },
    {
     "label": "KJ - Cretaceous/Jurassic",
     "url": "3e9db1c33d44f37ca237aee3d5e68c06",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQOCiL2IR2HZmTrbyAh59+oYJi4kww4Yy6MW0oQ6GY9hQhw9DFtM5Pll9BPCKEfpTAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "KJ"
     ]
    },
    {
     "label": "J - Jurassic (undivided)",
     "url": "00a91dc169ac9bafb79f92a7d1406166",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWOpvzvjPwOVQKNyBiMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINbFTOYKSmiQBa4AVepPGwZAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "J"
     ]
    },
    {
     "label": "JTr - Jurassic/Triassic ",
     "url": "775a464ddda04762824f8d26e5aba3f3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWOZ8e/0fwYqgQwmU0YWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQamMFkykhNEwFZswTxiokwpQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "JTr"
     ]
    },
    {
     "label": "Tr - Triassic (undivided)",
     "url": "61c32065e568badac671d594496a083e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3MMREAMAgDQOBiCUlVhaR6ajszJ1t5AY919jWRinSYGCakgS+6CXkQHM2EPHwYVqQrxwdafwUkTCvAGAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Tr"
     ]
    },
    {
     "label": "TrP - Triassic/Permian",
     "url": "ee772daa83f4daeffd7a29f0ebf6bb6e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQMhFH2IrkHZmTrbyAp6n+4ZJAckw44Yy6sW0oY6GY9hQxw/DAtI5PljlBKRz37bmAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "TrP"
     ]
    },
    {
     "label": "PzpCm - Paleozoic/Precambrian",
     "url": "140656c293aadd5b982b1a7a46cffcb4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQLiLpfgXgKh2Zk428gIeM/PKhGSjzJBQBr3YEupgOJaEOhwMSbZz/FmABPFcgxzCAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "PzpCm"
     ]
    },
    {
     "label": "Pz - Paleozoic (undivided)",
     "url": "cbbb84f42f821b1fba9e993fcaf17b63",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWPZNOPVfwYqAb8MMUYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQa6JchxkhNEwFaPwUe6rbSrAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Pz"
     ]
    },
    {
     "label": "Pzu - Upper Paleozoic",
     "url": "c2a21cbf35563b572152078f01ad90f8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWPZdLr+PwOVgJ9pIyMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgIN9DNtZKSmiQBafAVWggWl5AAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Pzu"
     ]
    },
    {
     "label": "P - Permian (undivided)",
     "url": "0f1e236c1e6005a55ed4ae89834c6e58",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQMjFalXhlXZmTrbyAp6n+4ZJAckw44Yy6sW0oY6GY9hQxw/DAtI5PloZBPGgPRmxAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "P"
     ]
    },
    {
     "label": "PC - Permian/Carboniferous",
     "url": "001700e65ddc554331bf156be4f31922",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWPZdPrVfwYqAT9TMUYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQa6GcqxkhNEwFZpgTr/7NrRwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "PC"
     ]
    },
    {
     "label": "C - Carboniferous (undivided)",
     "url": "6d9dcef4f320f263c3850c7b08c26ab3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWOp33T3PwOVQKOfMiMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINbPRTZqSmiQBa1wVEcNpaFgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "C"
     ]
    },
    {
     "label": "CD - Carboniferous/Devonian",
     "url": "ea9db19c40a49e64e8e53458ad4ac507",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAN0lEQVQ4je3MMREAMAgDQOBiKf4F4KntzJxs5QU8us8NE7ISYYYNZdCLaUMdDMewoQ4fhmSlc3xZGgS+tp1eGgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "CD"
     ]
    },
    {
     "label": "D - Devonian (undivided)",
     "url": "b72ab415513becc46f9c490777f78fa0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4je3MsREAIAgDQOCyqnN4zMGuak2ddPIDPNY+10Qqw2FimJAGvugm5EFwNBPy8GFYGa4cH1uWBXB4FPmDAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "D"
     ]
    },
    {
     "label": "DS - Devonian/Silurian",
     "url": "eac5bc3776a14cc15c28080d6713d3ff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWM5venffwYqAVM/JkYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQaaOrHxEhNEwFZZQTXh0rPUwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "DS"
     ]
    },
    {
     "label": "Pzl - Lower Paleozoic",
     "url": "016a470bd7651ad72f2f197dabe691a7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWOZscnnPwOVQIbfFkYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQamOG3hZGaJgIAW5UFvMe03c4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Pzl"
     ]
    },
    {
     "label": "S - Silurian (undivided)",
     "url": "f6f49031d73f1330d841b60a103160b3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4je3MsREAIAgDQOAyHyt5rOSAak2ddPIDPPY610SywmFimJAGvugm5EFwNBPy8GGYFa4cH1piBSN+VrffAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "S"
     ]
    },
    {
     "label": "SO - Silurian/Ordovician",
     "url": "6267f4f8afd88e185514edf5d3bbc24a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MMREAMAgDQMhFH2IrkHZmTrbyAp59+oYJCskw44Yy6sW0oY6GY9hQxw9DFNI5PliZBKSNdlOMAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "SO"
     ]
    },
    {
     "label": "O - Ordovician (undivided)",
     "url": "4978d5f4ddf4fca95c1f76dfaf9776a1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4je3MsQ0AMAgDMIjyd8XjtDNzshUfYPbpGyYoJMOMG8qoF9OGOhqOYUMdPwxRSOf4AFkyBNeSnYfFAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "O"
     ]
    },
    {
     "label": "OCm - Ordovician/Cambrian",
     "url": "0cdd1e3564e912347508246db4a9adcb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWP5t+n0fwYqASY/U0YWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQayORnykhNEwFY/wTXbAY7XgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "OCm"
     ]
    },
    {
     "label": "Cm - Cambrian (undivided)",
     "url": "32091c501ae10d6f5e5f103861282edc",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWP5d/rufwYqASZTZUYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQayGSqzEhNEwFYkASsUAsKFAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Cm"
     ]
    },
    {
     "label": "pCm - Precambrian (undivided)",
     "url": "9244a52540bfa89efb849d90fbeff179",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWPZNCP1PwOVgF/GbEYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQa6Jcxm5GaJgIAW0kFo8frFWgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "pCm"
     ]
    },
    {
     "label": "Pt - Proterozoic (undivided)",
     "url": "b85cb5d8b49b51d2110ca8da16730709",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4je3MMREAMAgDQLiLpXhCUj0hqp2Zk628gEf3uWFCViLMsKEMejFtqIPhGDbU4cOQrHSOD1nmBSQ6YkG0AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Pt"
     ]
    },
    {
     "label": "A - Archean (undivided)",
     "url": "a7270bc52664498694b221f3da71683c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4je3MMREAMAgDQLiLJWxELDYqqp2Zk628gMfpvmFSZCLMsKEMejFtqIPhGDbU4cOwyHSOD1n9BSMHwEe6AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "A"
     ]
    },
    {
     "label": "und - Undetermined age",
     "url": "0017ba8ac21c91b2ae2fbfd8251333fd",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4je3MsREAMAgCQOTYf2ST2ho6/QFejX4IIVhCmC60yS+mC30KHMOFPi0MCVZy/AVVA1ZcPu77AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "und"
     ]
    },
    {
     "label": "H2O - Sea and surface water",
     "url": "c0c8701d66f8c3f672097bd965656e68",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAN0lEQVQ4je3MMREAMAgDQMjFBf6l1QbtzJxs5QU8T/cNkwKSYcYNZdSLaUMdDcewoY4fhgWkc3xYGQRxkBahCgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "H2O"
     ]
    },
    {
     "label": "oth - Geology not shown",
     "url": "57a2997442b55ea77eb0c441832b94ca",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4je3MsREAMAgCQOXYf2ST2ho6+QGeM/PKBECzzJhQRr3YEupoOJaEOh4MAbRz/Fe1BFh7ScNcAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "oth"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}