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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgbMO9PynxKA0hxJGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIAELwFbC7vXo0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
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     "values": [
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     ]
    },
    {
     "label": "Pennsylvanian",
     "url": "908240c05a4dc79e7ed0dd024aecb3ed",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgbMObf1PiUFpdt6MKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAAh0FQWc7Cf4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
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     "values": [
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     ]
    },
    {
     "label": "Pleistocene",
     "url": "1ee8148e9c33d91c8ab95fa80b47b60f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf//z/pPiUGMjGmMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUA0yYEug3RvlUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
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     "values": [
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     ]
    },
    {
     "label": "Pliensbachian",
     "url": "04d6228b80be5fecf0a4f4d0d58378d7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgQ1H7/2nxKAGayVGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIA/CEFL07dRb0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Pliocene",
     "url": "1ee8148e9c33d91c8ab95fa80b47b60f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf//z/pPiUGMjGmMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUA0yYEug3RvlUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Serpukhovian",
     "url": "509939c62f3a4dbd490c016f447c951e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgfsPZf2nxCBHu2mMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUADr0FZ4UnF7AAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Sinemurian",
     "url": "3b86bd2370fa956e480626391959e581",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgWl7bvynxKBZLhqMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAClwFWM0X0bgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "Sinemurian"
     ]
    },
    {
     "label": "Tithonian",
     "url": "c2ee56de4b9bf5f59c1102ba11f39969",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgTc/fv9PiUHq/JyMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAxZEEkSogA4YAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Toarcian",
     "url": "7474e894f9ff6b1d65299d4a5cfe19ad",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgbPOPf5PiUFpRrKMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUA7kwFB5OJxm8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Tournaisian",
     "url": "ead8732e3ff1d0a10effaf7784811986",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgd0bsv9TYlBpwFRGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIAJqoFrDnVsLoAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "Tournaisian"
     ]
    },
    {
     "label": "Triassic",
     "url": "a65692e79fa107712d8b9b28c253de28",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgY3qE/9TYlD9zXxGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIATFIGGdscDGsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Upper Cretaceous",
     "url": "6079365b98f84f2063be39b828b1d385",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgctueP+nxKAoja2MKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAGmcFiZWeq9MAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Upper Jurassic",
     "url": "fc159dd4b4874ea292884a36271abdf1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgcabT/2nxKCzvmaMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAI/EFoi+uhkMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Upper Triassic",
     "url": "c06d9cd4bc1ba267545074fab05d99af",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgXu7D/+nxCDnUltGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIABBgFRzndIX8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Visean",
     "url": "0406bcd26dcefdba48d23611feaf2497",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgct2Zf+nxKAot6mMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAGdcFh4Wm5MkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    }
   ]
  }
 ]
}