{ "layers": [ { "layerId": 0, "layerName": "Arsenic", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Ironstone", "url": "41b3d6a6fb850ebe4a423df672092c17", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMp6q9qYeBmdmCgBvj69wALyDCOBCVrapj3Y8E9BhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjDr38PgEpaqoCvfw8AAN/vELOxaxWMAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Ironstone" ] }, { "label": "Mineralisation", "url": "ce45f6e710944e771b35a7887e203840", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNpz+ps4fzH6cBABfCd6fsBFpBhPh8Dralh4Bb+9QwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht+Zvh8AlbTUACCzADUwEayJTxETAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Mineralisation" ] }, { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 1, "layerName": "Benzo.a.pyrene", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] }, { "label": "Urban", "url": "9574035780b89c7efcb10d8e20c850cd", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPprAht4WL54cBABfDtD8cBFpBhwTKbralh4NonvgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht/+cBwAlbTUACCzABi2Ef4pC5R4AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Urban" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 2, "layerName": "Mercury", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] }, { "label": "Urban", "url": "9574035780b89c7efcb10d8e20c850cd", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPprAht4WL54cBABfDtD8cBFpBhwTKbralh4NonvgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht/+cBwAlbTUACCzABi2Ef4pC5R4AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Urban" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 3, "layerName": "Cadmium", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Chalk (south)", "url": "b43405460ca337a393887886ed93dba1", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOp6AxtYeH64cBABfDnG8cBFpBhMsGbralh4JO1vgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhn++cRwAlbTUACCzABjiEf5GPUXUAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Chalk (south)" ] }, { "label": "Min Gp1", "url": "55141a2a582bb9c9b31a06d7dfb5e431", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWPprylq4WFhcmCgAvjy598BFpBhKerc1tQwcM7NrwwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhl/+/DsAKmmpAUBmAQBfWROlm0jTggAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Min Gp1" ] }, { "label": "Min Gp2", "url": "6e7890f03ef270e00f3688ff68df153a", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpSGtuYfzH4cBABfCf6ccBFpBh7M8dralh4E/J/QwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv+ZfhwAlbTUACCzADAoEfNL/05aAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Min Gp2" ] }, { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] }, { "label": "Urban", "url": "9574035780b89c7efcb10d8e20c850cd", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPprAht4WL54cBABfDtD8cBFpBhwTKbralh4NonvgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht/+cBwAlbTUACCzABi2Ef4pC5R4AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Urban" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 4, "layerName": "Copper", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Mineralisation", "url": "f95e3e2fdf40640979f57333fd9137b2", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOpymhtYfnL6cBABfCH+fsBFpBhKq88rKlh4B2xHQwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhn+Yvx8AlbTUACCzAJoEEdcbGpRuAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Mineralisation" ] }, { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] }, { "label": "Urban", "url": "9574035780b89c7efcb10d8e20c850cd", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPprAht4WL54cBABfDtD8cBFpBhwTKbralh4NonvgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht/+cBwAlbTUACCzABi2Ef4pC5R4AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Urban" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 5, "layerName": "Nickel", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Basic", "url": "c17e27ed7838adad0e18c85201411c41", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOpyOpvYfnH7cBABfCH6esBFpBh8u8TrKlh4EPBBQwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhn+Yvh4AlbTUACCzAOroEcYxuDhtAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Basic" ] }, { "label": "Ironstone (Ni)", "url": "9d4c8a9d3d4a6ae3636ea4a920af0fe6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPpripo4WZhcGCgAvj6h+EAC8iwKFVma2oYuOz2XwYWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw69/GA6ASlpqAJBZAMW2ELS4UvgyAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Ironstone (Ni)" ] }, { "label": "Mineralisation", "url": "ce45f6e710944e771b35a7887e203840", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNpz+ps4fzH6cBABfCd6fsBFpBhPh8Dralh4Bb+9QwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht+Zvh8AlbTUACCzADUwEayJTxETAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Mineralisation" ] }, { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] }, { "label": "Ultrabasic", "url": "dd161c9b15977d6cc15b10eaf3ece682", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOp6i9oYeFhcGCgAvjzheEAC8gw1RRma2oYeHvOXwYWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIwz9fGA6ASlpqAJBZAOUCEK0AMkKmAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Ultrabasic" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 6, "layerName": "Lead", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Mineralisation", "url": "f95e3e2fdf40640979f57333fd9137b2", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOpymhtYfnL6cBABfCH+fsBFpBhKq88rKlh4B2xHQwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhn+Yvx8AlbTUACCzAJoEEdcbGpRuAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Mineralisation" ] }, { "label": "Principal", "url": "bd1bf220994a76a8e0602fad655326f6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpqOtvYWDlcWCgBvj95QALyDBm/RRrapj39+IcBhYGKgOWUQMpBiyUG4EKRg2kHLBQwQwUMGrgyAjD318OgEpaqoDfXw4AAP6NEKbTH3i8AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Principal" ] }, { "label": "Urban", "url": "9574035780b89c7efcb10d8e20c850cd", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPprAht4WL54cBABfDtD8cBFpBhwTKbralh4NonvgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERht/+cBwAlbTUACCzABi2Ef4pC5R4AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Urban" ] } ], "legendGroups": [ { "id": "0", "heading": "Domain" } ] }, { "layerId": 7, "layerName": "Ove.Arup.Mineralisation.and.Mines", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "1 SW England", "url": "1bc0832d22f43e0c5224b834e541bbb0", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPJyGhv+fuXw4GBCoCZ+ccBFpBhr175WFPDQDGxLQwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhszMPw6ASlpqAJBZAPhJEAUjS4HaAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "1 SW England" ] }, { "label": "2 North Devon", "url": "202eb443139ca62406f4fdadd99229cb", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpKElrYWT668BABfD/H/MBFpBhbILPrKlh4K/3UgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv//MR8AlbTUACCzAKnYEh1bFyZsAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "2 North Devon" ] }, { "label": "3 Mendips", "url": "37306f603408d7cdd4f1e04cce795bfb", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNpzWlu4WDgcGCgAvjB8OMAC8gwlx9O1tQwcA/HPgYWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIwx8MPw6ASlpqAJBZAL+uD7aycid2AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "3 Mendips" ] }, { "label": "4 Shelve", "url": "3daedd59bb085af16251e95901ab59ed", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNpLcho4WD878BABfDjP+MBFpBhLhxvralh4J4fwgwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhj/+Mx4AlbTUACCzAFDYEewhbLXtAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "4 Shelve" ] }, { "label": "5 Peak District", "url": "3029d8cb62757b5ff790ffcd2e3da889", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPJqmto+cfC5sBABcD059cBFpBhH3XNralhIP/lkwwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhkx/fh0AlbTUACCzAJKFEdvDC2SiAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "5 Peak District" ] }, { "label": "6 Lake District", "url": "005c93bb7a37a408583ff33232d9dcdb", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWMpa09rYeb458BABfD3B9MBFpBhkj4vralh4PMt4gwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhn9/MB0AlbTUACCzAHyaEdzUhw9YAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "6 Lake District" ] }, { "label": "7 North Pennines", "url": "c286a2696095b92e0e16affe8209302e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4jWNJSStp+fOX0YGBCoCF+f8BFpBh9x7zWlPDQCXZzwwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhizM/w+ASlqqGMb8/wAAK1sQRnnWsEcAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "7 North Pennines" ] }, { "label": "Minor", "url": "a47d4ce1ce032711590b4e5d9c3c7585", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNpbO1vYePgcWCgAvj148sBFpBh5q4p1tQw8OTuOQwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhr9+fDkAKmmpAUBmAQAmXRNrJg6kgwAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Minor" ] } ], "legendGroups": [ { "id": "0", "heading": "AreaName" } ] }, { "layerId": 8, "layerName": "Urbanisation.Index", "layerType": "Feature Layer", "minScale": 0, "maxScale": 25000, "legend": [ { "label": "Rural", "url": "dd161c9b15977d6cc15b10eaf3ece682", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOp6i9oYeFhcGCgAvjzheEAC8gw1RRma2oYeHvOXwYWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIwz9fGA6ASlpqAJBZAOUCEK0AMkKmAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Rural" ] }, { "label": "Semi Urban", "url": "20bd78d569b7d3afdad512242c32c900", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPJSCxr+f+b2YGBCoCR9e8BFpBh769LWFPDQEHNFwwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhoysfw+ASlpqAJBZAENdEDSET5B3AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "SemiUrban" ] }, { "label": "Urban", "url": "e31bbb969d2598f69f30ad2812365965", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWOpykluYWb47cBABfCXgfUAC8gw+V+3rKlh4EM2NQYWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw78MrAdAJS01AMgsADxADih9wffjAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "Urban" ] } ], "legendGroups": [ { "id": "0", "heading": "BuiltEnvir" } ] } ] }