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     "label": "G1 - Ground moraine",
     "url": "51d47b8133bcedefc3603b1e1f0d4172",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERF/+XUMUwfcYeiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4b6jD1UMxEAMj0EjT90ZuwAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "6",
     "height": 20,
     "width": 20,
     "values": [
      "G1"
     ]
    },
    {
     "label": "G1b - Ground moraine with high concentrations of surface boulders",
     "url": "52616aa7d5f1f762d830c51a625d37db",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAcklEQVQ4jWNhYGBoYKAiYAERF/+XUMUwfcYeiIF6q3oYLoVhGgoShwFi5VmQJZE1ISsmVh7FQGoBFpoZeAktjEB8fGGIVT4cGinYAhyfOD55FgYqAxaaGKg3mg4pASwwxmg6JBvQJh0yhjOAMzZeQKQ8AN0cV0AdA8H/AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "6",
     "height": 20,
     "width": 20,
     "values": [
      "G1b"
     ]
    },
    {
     "label": "M1 - End moraine",
     "url": "37421b95313a5c4368f193b24c23b0e5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWNhYGBoYKAiYAERPk+pY9gWaaiB1AQsowZSDFgoNwIVjBpIOWChghkoYNTAEROGW6SpZyIANy0DoLRrIegAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "6",
     "height": 20,
     "width": 20,
     "values": [
      "M1"
     ]
    },
    {
     "label": "M1b - End moraine with high concentrations of surface boulders",
     "url": "d5907b2d84eaf9f223e58b28c1d124d3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAcElEQVQ4jWNhYGBoYKAiYAERPk+pY9gWaaiBm48wMPjaYCoAicMAsfIsyJLImpAVEyvPiGwgtQALzQz0RQsjEB9fGOKSZ8GmGJchxMizMFAZsNDEwM2j6ZASwAJjjKZDsgFt0iFjOHbbQOUbPoBNHgBmzDRjXwEpUQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "6",
     "height": 20,
     "width": 20,
     "values": [
      "M1b"
     ]
    },
    {
     "label": "U1 - Hummocky moraine",
     "url": "28bc65c9f7be33e356cfdf60888ea331",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWNhYGBoYKAiYAERYf+pY9gqRqiB1AQsowZSDFgoNwIVjBpIOWChghkoYNTAEROGqxipZyIANrcDfKFWdBUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "6",
     "height": 20,
     "width": 20,
     "values": [
      "U1"
     ]
    },
    {
     "label": "GX - Till over kames and eskers",
     "url": "19515e7328ac5e6ee2413c299e53bab7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAaklEQVQ4jWNhYGBoYKAiYAERF/+XUMUwfcYeiIF6DAwMl7AoAInDALHyLMiSl3AoJlYexUBqARaaGXgJTeISgTDEJc+CTTEuQ4iRZ2GgMmChiYF6o+mQEsACY4ymQ7IBbdIhI2MP+U5CAwCuciBLf6hfPAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "7",
     "height": 20,
     "width": 20,
     "values": [
      "GX"
     ]
    },
    {
     "label": "UX - Till over outwash",
     "url": "ac32a93e8422e092a6855c0d4d58560e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAa0lEQVQ4je2UQQrAIAwEV9g3Nt/pd/STLYEKUpI2tPHmHEScsIIsEsCORKjLduSEtXIFVgBiDOh5J+o5SnGGo76NgVlwWqDchLy8oedpDXshEU8kwymBdfXwD+yb1cPPzOlhKfZt+r89YfkTulIehRvcksEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "7",
     "height": 20,
     "width": 20,
     "values": [
      "UX"
     ]
    },
    {
     "label": "Ic - Lacustrine deposits",
     "url": "cf7240ba62100775f0317532e16dda04",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERaRVnqWLYrA5jiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4azOoypZiIANMwFJnCR3+QAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "8",
     "height": 20,
     "width": 20,
     "values": [
      "Ic"
     ]
    },
    {
     "label": "Io - Outwash",
     "url": "4e6f655c7e09769555f5965218705ef2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOElEQVQ4jWNhYGBoYKAiYAERy6lkWCTMQGoCllEDKQYslBuBCkYNpBywUMEMFDBq4IgJw0gqmggAOBYCKnG72OkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "8",
     "height": 20,
     "width": 20,
     "values": [
      "Io"
     ]
    },
    {
     "label": "Ik - Kames",
     "url": "53dbabcb02526deafbbb4131b111cc26",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8trYKAiYAERbJMmUcWwX3l5EAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgx/5eVRzUQAXKAG8VjwFYMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "8",
     "height": 20,
     "width": 20,
     "values": [
      "Ik"
     ]
    },
    {
     "label": "Ig - Ground moraine",
     "url": "ec2de627661791e3f2b2aac7edc1a657",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERZ79WUcUwY+42iIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4bG3G1UMxEAMl8Eld45YsMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "9",
     "height": 20,
     "width": 20,
     "values": [
      "Ig"
     ]
    },
    {
     "label": "Id - Dissected ground moraine",
     "url": "4acde2ed4fecc5baa582da9a5515a2d7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERZ1emUcUw4/BZEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgyNw2dRzUQAM2sE9WN7eWwAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "9",
     "height": 20,
     "width": 20,
     "values": [
      "Id"
     ]
    },
    {
     "label": "Iu - Hummocky moraine",
     "url": "128c6c12e68867fa85ac3af5ef530f55",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWNhYGBoYKAiYAERy5dTx7DISKiB1AQsowZSDFgoNwIVjBpIOWChghkoYNTAEROGkZHUMxEANnsDg6TxF/cAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "9",
     "height": 20,
     "width": 20,
     "values": [
      "Iu"
     ]
    },
    {
     "label": "Kl - Lacustrine deposits",
     "url": "6075a158e382096bf6e6798594a297b9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERKxmeUsWwcAZpiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4bhDNJUMxEANJ4DQxN2z5EAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "10",
     "height": 20,
     "width": 20,
     "values": [
      "Kl"
     ]
    },
    {
     "label": "Ks - Outwash(?)",
     "url": "fae24dec6ee2c293dd7c8e344662bd2a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAER/xmOUsUwRgZriIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4aMDNZUMxEAM4YDDZqtSuQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "10",
     "height": 20,
     "width": 20,
     "values": [
      "Ks"
     ]
    },
    {
     "label": "Kg - Ground moraine",
     "url": "e1a5f8540aa4b0aad0b6df8ccc294e91",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERZzvTqGKYcfksiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4bG5bOoZiIAM8sFFZY4DE8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "11",
     "height": 20,
     "width": 20,
     "values": [
      "Kg"
     ]
    },
    {
     "label": "Kd - Dissected ground moraine",
     "url": "9cf157b5d01c8d72b53e7e377ab624ff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhYGBoYKAiYAERnZ0uVDGsvHwPxEBqApZRAykGLJQbgQpGDaQcsFDBDBQwauCICcPy8j1UMxEANR8Fe8OpP1EAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "11",
     "height": 20,
     "width": 20,
     "values": [
      "Kd"
     ]
    },
    {
     "label": "Cc - Colluvium derived from local bedrock in unglaciated areas",
     "url": "b1cc0d01978057da147c90849f051492",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAbUlEQVQ4jWNhYGBoYKAiYAER///vpYphjIzOEAMZrhxmYNCxxVQBEocBIuVZUCSRNSErJlaeAdlAKgEW2hmogxZGID6+MMQhz4JVMS5DiJBnYaAyYKGNgVdG0yEFgAXOGk2H5ALapENGXerVAgAX9TT1VXN8dgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "12",
     "height": 20,
     "width": 20,
     "values": [
      "Cc"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "HOLOCENE (RECENT) - 10 kA to present"
    },
    {
     "id": "1",
     "heading": "LATE WISCONSINAN - 23 to 13 kA; water-deposited units"
    },
    {
     "id": "2",
     "heading": "LATE WISCONSINAN - Late Woodfordian (18 to 14 kA) ice-deposited units: Silty till (Ashtabula Till)"
    },
    {
     "id": "3",
     "heading": "LATE WISCONSINAN - Late Woodfordian (18 to 14 kA) ice-deposited units: Clayey till (Hiram, Yorkshire, Lake Tills)"
    },
    {
     "id": "4",
     "heading": "LATE WISCONSINAN - Late Woodfordian (18 to 14 kA) ice-deposited units: Silty clay till (Hayesville, Lavery, Marysville, Woodington Tills)"
    },
    {
     "id": "5",
     "heading": "LATE WISCONSINAN - Late Woodfordian (18 to 14 kA) ice-deposited units: Silty loam till (Darby, Bellefontaine, Centerburg, Grand Lake, Arcanum, Knightstown Tills)"
    },
    {
     "id": "6",
     "heading": "LATE WISCONSINAN - Early Woodfordian (24 to 18 kA) ice-deposited units: Loam till with thin (<1 meter) loess cover (Knox, Lake, Mt. Liberty, Caesar, Pickerelltown, Shelbyville, Kent, Navarre Tills)"
    },
    {
     "id": "7",
     "heading": "LATE WISCONSINAN - Early Woodfordian (24 to 18 kA) ice-deposited units: Thin loam till over sand and gravel"
    },
    {
     "id": "8",
     "heading": "ILLINOIAN - Water-deposited units"
    },
    {
     "id": "9",
     "heading": "ILLINOIAN - Silty loam till covered with 1 to 3 meters of loess (Rainsboro, Centerville, Richmond, Butler, Mapledale, Millbrook, Mogadore, Titusville, Tills)"
    },
    {
     "id": "10",
     "heading": "PRE-ILLINOIAN - Water-deposted units"
    },
    {
     "id": "11",
     "heading": "PRE-ILLINOIAN - Silty clay to clay till, strongly weathered, covered with 1 to 2 meters of loess (\"Cincinnati till,\" historically mapped as \"Kansan-age\" till)"
    },
    {
     "id": "12",
     "heading": "CENOZOIC - Holocene, Pleistocene, and pre-Pleistocene(?)"
    }
   ]
  }
 ]
}