{
 "currentVersion": 11.1,
 "folders": [],
 "services": [
  {
   "name": "IGS_Historical_Map_Collection/Index_Envelopes",
   "type": "MapServer"
  },
  {
   "name": "IGS_Historical_Map_Collection/Mosaic_Master",
   "type": "ImageServer"
  }
 ]
}