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     "label": "325.1 - 407",
     "url": "016e8d9b9258fd3fab964708e74d1eae",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBsxm+/qfEoFQGbkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAuWgPC7I3btwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "407.1 - 475",
     "url": "97e0202f906a1b1904c4de5f37b6c95c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBJxi+/qfEIAsGbkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAetQOVGeiFZQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "475 - 540",
     "url": "65e6fa094623ac8ddc09eb721dbb6bdd",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBXxm+/qfEIG4GbkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAPEANoLCc6SAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "depth to water (ft)"
    }
   ]
  }
 ]
}