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     "label": "Scl -  Cedarville, Springfield, and Euphemia Dolomites, Massie Shale, and Laurel Dolomite, undivided",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARUlEQVQ4jWPZ+JShgYGBgcGPgYFhEwMCkMNnlGZoYGGgMmAZNZBiwEK5Eahg1EDKAQsVzEABowZSDlhGoIH+0pAqgFoAAMvVCDt9cIapAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Scl"
     ]
    },
    {
     "label": "Sce - Cedarville, Springfield, and Euphemia Dolomites, undivided",
     "url": "5a8979e7ae060b7878121ca24b8113aa",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWP5/5ShgYFKgFGaoYElnYG6gIVh0Bs4k4qGzQIZOBqGFIFZo2FIMZg1GoYjJQxnSVOvCgABAKhiC1WJO9E4AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Sce"
     ]
    },
    {
     "label": "Sdb - Dayton Limestone and Brassfield Formation, undivided",
     "url": "d61a197ff29ac2b619c62c4cc7fa29ff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWN5+p+hgYFKQJqRoYGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGSjNSrwoAAQAHNwPtfAQTDwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Sdb"
     ]
    },
    {
     "label": "Sed - Estill Shale and Drowning Creek Formation, undivided",
     "url": "663f36b7d20b8935e4f13f6fe8a9ae20",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3VoREAQAgDQUT6S0u0lA5/XqITB1vA2YOkrhCSjQrDBW3wE9MFfQg0hgv6sDBIMraA7wFa6QW+7KlgywAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Sed"
     ]
    },
    {
     "label": "Se - Estill Shale",
     "url": "1139e9283578e27d8438cc0bcb7a7c9e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3VoREAQAgDQUS6SLM0mz5+XqITB1vA2YOkrhCSjQrDBW3wE9MFfQg0hgv6sDBIMraA7wFZFQUiIKrBuQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Se"
     ]
    },
    {
     "label": "Sd - Drowning Creek Formation",
     "url": "9cf848bec3fc719e81cf8b985b1a508a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWPZ+J+hgYFKwJ+RoYGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEG+jNSrwoAAQAIBwQh/1BxYgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Sd"
     ]
    },
    {
     "label": "Smb - Massie Shale, Laurel Dolomite, Osgood Shale, Dayton Limestone, and Brassfield Formation, undivided",
     "url": "000e36758fc86d64fb8074b796817cde",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWN5+r+hgYFKQJqxoYGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGSjNSrwoAAQBZkQVtE+QUqgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Smb"
     ]
    },
    {
     "label": "Ou - Ordovician Undifferentiated",
     "url": "dae16af6a5664ffb827de0bc4b2e034b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAN0lEQVQ4je3VsQ0AMAgDQVvy4GxOlJLa7uAG+PbV6EIIwRLCdEGb/MR0QZ8CjeGCPi0MEowt4HsFzgPTEn1lZgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ou"
     ]
    },
    {
     "label": "Oc - Cincinnati Group",
     "url": "2b827cc701e3dc39965ae0a68a7cf667",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWPp3vi/gYFKoNSfsYGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaSDlgGYEGlvozUq0KAAEAWuUFlkX4UFAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Oc"
     ]
    },
    {
     "label": "Oda - Preachersville Member of the Drakes Formation, Waynesville Formation, and Arnheim shale and limestone, undivided",
     "url": "81485f071f7b7de3c5fc30abc34a51db",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWN5uvF/AwOVgLQ/YwMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINlPZnpFoVAAIAWX0FPENhiyoAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Oda"
     ]
    },
    {
     "label": "Odl - Drakes, Whitewater, Saluda, and Liberty Formations, undivided",
     "url": "ecaeb8d9bd9bbb2ff3c003952b155c9f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWPZmPa/gYFKwH8WYwMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgIN9J/FSLUqAAQAWy4Fu5QwlywAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Odl"
     ]
    },
    {
     "label": "Owa - Waynesville Formation and Arnheim shale and limestone undivided",
     "url": "08a3865ab8f0e7ef5e56a6536094dbef",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARklEQVQ4jWN5uvF/AwMSkPJnYHi2kTy+tD9jAwsDlQHLqIEUAxbKjUAFowZSDlioYAYKGDWQcsAyAg2U9mdEqQLAwJ98PgDCIA54AvmdTQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Owa"
     ]
    },
    {
     "label": "Ogf - Grant Lake and Fairview Formations, undivided",
     "url": "9bb3ce81bf6df440523273d294496563",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAkUlEQVQ4ja2U0Q2AIAxEa3JT6FCs5EodStfQkCghpIVC2z8uxytwAPh6Tvoq7UR8/yNdU73HdqIWsqE1SlpPR9vZC4XVaIVipvvIW7YcBqXqDCOguYYpa7qacnIkKqZMQnmgmL24PehSyprOnpR7OjyTTU+PnVBE/DBsCWUJSoNQZqFlhZFQ5G+77ZKXbtEk/QV1xN+1TgKsrAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ogf"
     ]
    },
    {
     "label": "Ogm - Grant Lake Formation, Miamitown Shale, and Fairview Formation, undivided",
     "url": "b852bd3c3ad0a9ba9df52305ef71dd32",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWPZ+PR/AwOVgL80YwMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgIN9JdmpFoVAAIAWbEFPCp38d4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ogm"
     ]
    },
    {
     "label": "Ogl - Grant Lake Limestone and Fairview Formation, undivided",
     "url": "f69faf9a41421b5354f610ceb440b988",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjUlEQVQ4ja2UUQ6AIAxDu2Tnwyt5JXdBdIomBlCH7Q+kjBfIKLrkPANAEsAyKrX8Xu0kMisLluQYlQUz9wXYT0iBFemXjZFbKBN2AzJgLmXB0lOXR2B2dpkG+9qUqK9MmCscvZ6fRqL3BLNo9F5hRb+6PBQ9V+St6ltBBHYBqR+sf9v7rBiVWn6vdltbAYteg3cQ2mxkAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ogl"
     ]
    },
    {
     "label": "Ok - Kope Formation",
     "url": "511106d1cce14261494108a97c35a9e5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWP5//R/AwOVAKM0YwMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINZJRmpFoVAAIAWHkE7kYVCSgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ok"
     ]
    },
    {
     "label": "Op - Point Pleasant Formation",
     "url": "8a7b16f55ab4319f03a5ff12047b9a9d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWP5n/a/gYFKgHEWYwMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1kHLAMgINZJzFSLUqAAQAWfYFbe+cA78AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Op"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "GEOLOGIC UNIT"
    }
   ]
  }
 ]
}