{
 "layers": [
  {
   "layerId": 0,
   "layerName": "USGS Spot Elevations",
   "layerType": "Feature Layer",
   "minScale": 4622324,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "0e672e0c27c4fef8115f2dca07b14928",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAMdJREFUOI1jYaAyYBk1cIga+L9yBStje8Rvqhj4n4GB8RsT78YfpbujOLpdP1Bs4Lea7ZEM//97/mX/VcXAwFBGkYEf23dzMHz53Q5xKmPul8qtU3javR+RbSDL11/FDAyMclAuByMzYwsDA0McWQZ+q94i8Z+BsQJF8D9D9Lfq7X1crZ4XSHfhf6YWBgYGHjRRpv8M/7sYGBjcSDLwa+12vf///ifi0OP6tXarG3ez9y6iDeRu9rzEwMDAjMsV+MAwyXrDy0AA3Iw6g4wfgewAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "USGS 5-ft Contours Compiled by the FGS",
   "layerType": "Feature Layer",
   "minScale": 577790,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "4a32ed9ed15b6a39e7bcf9fbd215ec39",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUOI1jYaAyYBk1cNTAYWvgv0OH/lPDMCY7O0YWGIMaBjIwDJkwHDVwmBsIAOGlBNBGtjh6AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}