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  {
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   "layerName": "Indications of petroleum",
   "layerType": "Feature Layer",
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   "maxScale": 0,
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    },
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    },
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     "values": [
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     ]
    },
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     "contentType": "image/png",
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     "values": [
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     ]
    },
    {
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   ]
  },
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   "layerName": "Sedimentary basins by age",
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     "contentType": "image/png",
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     "values": [
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    },
    {
     "label": "Late Tertiary and Quaternary",
     "url": "0a3c41d00140eaa6b04fe40213d3c51f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEZJREFUOI1jYaAyYKGZgbm5uf8pNWzy5MmMKC7ks5tMtmGfDuUyMDDQ0sujBo4aOGrgqIE4DYQVQeSAyZMnM6IYCBOgFAAAAnoM5oyvF3cAAAAASUVORK5CYII=",
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}