{
 "culture": "en-US",
 "name": "Drift_Thickness",
 "guid": "A909BAC6-373F-4DA7-A8F5-307BBC13055C",
 "catalogPath": "",
 "snippet": "Glacial Drift in Illinois: Thickness and Character",
 "description": "Glacial drift in Illinois: thickness and character. Unconsolidated deposits, mainly glacial drift, overlie the bedrock surface in most of Illinois. The thickest drift occurs in major preglacial valleys cut into the bedrock and filled with glacial sediments.",
 "summary": "Glacial Drift in Illinois: Thickness and Character",
 "title": "Drift_Thickness",
 "tags": [
  "glacial",
  "drift",
  "unconsolidated",
  "till",
  "glaciofluvial",
  "glaciolacustrine",
  "loess",
  "driftless",
  "Illinois"
 ],
 "type": "Map Service",
 "typeKeywords": [
  "Data",
  "Service",
  "Map Service",
  "ArcGIS Server"
 ],
 "thumbnail": "thumbnail/thumbnail.png",
 "url": "",
 "extent": [
  [
   -91.5135183333333,
   36.9699719166667
  ],
  [
   -87.4952139166667,
   42.5083479166667
  ]
 ],
 "minScale": 0,
 "maxScale": 1.7976931348623157E308,
 "spatialReference": "WGS_1984_Web_Mercator_Auxiliary_Sphere",
 "accessInformation": "Illinois State Geological Survey",
 "licenseInfo": ""
}