{
 "currentVersion": 10.81,
 "folders": [],
 "services": [
  {
   "name": "historicalMaps/usgs_topo_100k_idaho",
   "type": "ImageServer"
  },
  {
   "name": "historicalMaps/usgs_topo_24k_idaho",
   "type": "ImageServer"
  },
  {
   "name": "historicalMaps/usgs_topo_250k_idaho",
   "type": "ImageServer"
  },
  {
   "name": "historicalMaps/usgs_topo_idaho",
   "type": "ImageServer"
  }
 ]
}