{
 "layers": [
  {
   "layerId": 25,
   "layerName": "Aeromag_2015field.tif",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "-1,740 to -269",
     "url": "b5f8caf7bb757d3e7a66cf8ad42a1949",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4je3UoQ0AMAwDwUby4Nk8BSUxtsv8Axx8HHP4B/aMJHUVg6YQUA46wQXUg8GgAuqtH76f+UBTFzLXA9P8zQ6uAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-268 to -200",
     "url": "fbc86218aba28b0f6d45d61ac09a706f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhoDJgoZ2BZ/7/p8gkE0ZGVAOpBFhGDaQYsFBuBCoYNZBywEIFM1DAqIGUA0QYQssz6hlIJQAAGLcDhyO8b+8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-199 to -166",
     "url": "0ef3425cc752a3defdb11f33a31876c1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4je3UoQ0AMBBC0ZKw/8rUNGnQcO7+AE8g4CnHOVBSJAFwsBQXjGNOeAvmsWBYC+b9Dd+f9cBSFwcvA1Q8SH7HAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-165 to -132",
     "url": "3a04480bcff90490224a391a2707c3bb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhoDJgoZ2B/83/U2QS40lGVAOpBFhGDaQYsFBuBCoYNZBywEIFM1DAqIGUA0QYQssz6hlIJQAASycEHCGZRikAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-131 to -98",
     "url": "485a95830ff0f71c1a40c1c3a61e58a9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPUlEQVQ4je3UsQkAMAwDQRk0uDd3mkBQLaXzD3DlE+H4DezBOFAXSsBUXNCOPqEt6MeAIS3o9354fxYDUx01WAPTnJwRdwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-97 to -63",
     "url": "33e750fc2829604aab8f344afe161db8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4je3UsQ0AIBBCUS5hT2dz0rPShBrs7g/wCgqIcPwG7kY70CqUgKk4oB19QhvQjwFDGtDvbXj/LAamOinfA7I8adUFAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-62 to -29",
     "url": "8b6cf82e1d00841f1c8b3837eb294b0a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBJ/4z/KfEIAtGBkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAAcUAOLaDJaHAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "-28 to 5",
     "url": "e6eb15ea6ae811353d38a076b1c53d41",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBr/4z/KfEIDFGBkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAAQfgNpzXwh9QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "6 to 39",
     "url": "6080e3ed558e4f930fdd8d14505a2890",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmB/98x/KfEIEYhBkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAAPCQNlz1S3gwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "40 to 74",
     "url": "18dbf09989bd39228d5b27108ea51524",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmB/08w/KfEIEYLBkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAAcGQOLqEae1wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "75 to 108",
     "url": "36796feaf3efc4d0c85cf59092933a92",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4je3UsQ0AIBBCUS5hT2dz0rPShBrs7g/wCgqIcPwG9kY7UC2UgKk4oB19QhvQjwFDGtDvbXj/LAamOimBA7JNbQL/AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "109 to 142",
     "url": "b972605120e4998db9ef9e6fb906ce66",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4je3UsQ0AIBBCUS5hNMd2t7PShBrs7g/wCgqIcPwG9kI7UG2UgKk4oB19QhvQjwFDGtDvbXj/LAamOkl5BA/oN0IeAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "143 to 193",
     "url": "d56ec06f13329b566ea14b8218889192",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBHxh8/lNikADDFkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAABKPAQWKDQzDwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "194 to 262",
     "url": "da5b6ae694680f39494b400db3bba159",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBJxnW/6fEIHOGQEYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAA2JgPaOJQNYQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "263 to 382",
     "url": "073dabb2d8c50374286ea852d6c26b94",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmB8xm+/qfEoEQGbkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAAs9gO+ludKNAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "383 to 2,624",
     "url": "8f77c53713b0bbdc3a2514688b6c049b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPUlEQVQ4je3UoQ0AMAwDQUfy4Nk8BSU1tsvyAxx8Ihy/gY0ZB2pUCZiKC9rRJ7QF/RgwpAX9nh/en8XAVAc0VwPTgsx9mQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "nanoTesla (nT)"
    }
   ]
  }
 ]
}