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   "values": ["Titanium"],
   "width": 20,
   "label": "Titanium (Ti)",
   "contentType": "image/png",
   "url": "b97dfa263fdeb1353edbadf2414691aa",
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  },
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   "groupId": "0",
   "values": ["Tungsten"],
   "width": 20,
   "label": "Tungsten (W)",
   "contentType": "image/png",
   "url": "10b483900a28e9e71c81e964d10f4281",
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  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAdUlEQVQ4je2TQQqAMAwEN7D/sj+zP7O+LKIFESVpS3tRXAiEkAxzCTE4/IFvBaouAFaIxH6gagCQSxUlKCv85lvfAdTT7jqLniUb7Kos6djFh12FJY2DYNgVLekc+DEsadjtSQXkdOyKJB+YF0qwz/9yQ4YDN1voJsEu/OmwAAAAAElFTkSuQmCC",
   "groupId": "0",
   "values": ["Uranium"],
   "width": 20,
   "label": "Uranium (U)",
   "contentType": "image/png",
   "url": "0c81e4341ba6ebcc27127f8ae52faf5d",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAd0lEQVQ4je2TQQqAMAwE97D/sp/K2d7zKOvPRAsiStKW9qK4EAghGeYSYnD4A98KVF0ArBCJ/UDVACCXKkpQVvjNt74DqKfddRY9SzbYVVnSsYsPuwpLGgfBsCta0jnwY1jSsNuTCsjp2BVJPjAvlGCf/+WGDAdunhQjIXgkMu0AAAAASUVORK5CYII=",
   "groupId": "0",
   "values": ["vanadium"],
   "width": 20,
   "label": "Vanadium (V)",
   "contentType": "image/png",
   "url": "e9edc274acfcb064139f81903470129f",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAc0lEQVQ4je2TSQrAIAwAc8i/6s+cn9X+rGgPXSBGbS8tHRAkmGEuqjyM/sKXCoFZRBaA20IgiEg52edJtSEwXu7jQva646wwWhiNWb+QreJU11KpxkIw6txKrSxUsSrVqMskxznlt0DyhKlB9vW/3MPjwhU1kyvJ0Zv9AAAAAABJRU5ErkJggg==",
   "groupId": "0",
   "values": ["Zircon"],
   "width": 20,
   "label": "Zircon (Zr)",
   "contentType": "image/png",
   "url": "77c3c7395bf8b650ec18cb5a2b3e9337",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAkUlEQVQ4je2TTQqAIBBGR5gb5H1yUd7Ide69UQTVfbrDhP3RIicrN0Xf6kOHxxtBhMTBH/hSoCuzFoToTT3Yx0BXSAVACoiU0xLOoHiqJ6jaOk39PtCtdvszLS1nidF2kZYYtNPS+ncL3YUsMbjqbHIcxhKjV420xEM7IF87lkiU+1nTDB0LXAZ42Pf/8pUkB45moz1GwHwNvAAAAABJRU5ErkJggg==",
   "groupId": "0",
   "values": ["Zn"],
   "width": 20,
   "label": "Zinc (Zn)",
   "contentType": "image/png",
   "url": "30aac08e20189d5c3789081c8f100035",
   "height": 20
  }
 ],
 "legendGroups": [{
  "heading": "Commodity",
  "id": "0"
 }],
 "layerName": "Critical Minerals ",
 "minScale": 0
}]}