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     "label": "Broad Creek",
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     "label": "Bush River",
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     "label": "Bynum Run",
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     "label": "Casselman River",
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     "label": "Catoctin Creek",
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     "label": "Chincoteague Bay",
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     "label": "Christina River",
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     "label": "Conewago Creek",
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     "label": "Conowingo Dam Susq R",
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     "label": "Corsica River",
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     "label": "Eastern Bay",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjEqMNABfD/3/8rLCDD1Je4slHDwJsxu3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP//+38FVNJSwzCQWQAuwxKeV61H5gAAAABJRU5ErkJggg==",
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     "label": "Evitts Creek",
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     "label": "Fifteen Mile Creek",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMzIqMNABfD3//8rLCDDvC6HsFHDwG26a3RYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP/+/38FVNJSwzCQWQBAJRI+7HLNaQAAAABJRU5ErkJggg==",
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     "label": "Fishing Bay",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNZycLUwMD0X4eBGuAf4xUWkGFc0zTZqGHet6zrOiwMVAYsowZSDFgoNwIVjBpIOWChghkoYNTAkRGG/xivgEpaqpj2j/EKALqkDujpO/oNAAAAAElFTkSuQmCC",
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     "label": "Furnace Bay",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbSwMzIoMNABfD3P8MVFpBh9sdr2Khh4EHLFh0WBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw7//Ga6ASlpqGAYyCwDxZg8wwHmdDwAAAABJRU5ErkJggg==",
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     "label": "Georges Creek",
     "url": "513579359681e1cf0b6a0c6e2051a6bb",
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     "label": "Gilbert Swamp",
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     "label": "Gunpowder River",
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     "label": "Gwynns Falls",
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     "label": "Honga River",
     "url": "32d6ab74d6cb8a4a4ba231b1ef6bf419",
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     "label": "Isle of Wight Bay",
     "url": "012264e1e4a34ef4ed2b04cbd4b03641",
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     "label": "Jones Falls",
     "url": "07f55c614baec3151ad3ccd4db1b18a7",
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     "label": "Kent Island Bay",
     "url": "977e7ed11447978584be126260c7ace7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNZycLSwMDEoMNADfCP4QoLyDCuBQ1s1DDvW0KDDgsDlQHLqIEUAxbKjUAFowZSDlioYAYKGDVwZIThP4YroJKWKqb9Y7gCAH6+DIgHPeKRAAAAAElFTkSuQmCC",
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     "label": "Kent Narrows",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNZycLUwMDEqMNADfDv/xUWkGGCk03ZqGHe+9zTOiwMVAYsowZSDFgoNwIVjBpIOWChghkoYNTAkRGG//5fAZW0VDHt3/8rAM4PD9a4PgpqAAAAAElFTkSuQmCC",
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     "label": "L Susquehanna River",
     "url": "1bc24166a21e4f9320d866fea4d908fb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLSwMjEoMNABfD/H8MVFpBhwosK2ahh4Nu4fh0WBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw///GK6ASlpqGAYyCwDgAg+LygMZ5QAAAABJRU5ErkJggg==",
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     "label": "Langford Creek",
     "url": "cc9b6f924090ed12346f32ba1aca8e18",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjMqMNABfD/7/8rLCDDLHZ4sVHDwBMe23RYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP///X8FVNJSwzCQWQA0MBJz4AlCeAAAAABJRU5ErkJggg==",
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     "label": "Liberty Reservoir",
     "url": "affe7a1a8d48ae49f555d73e0505d3b9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLSwMjEpMNABfD/378rLCDDFLf1sVHDwPteRTosDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv///bsCKmmpYRjILABArRJK9ko23gAAAABJRU5ErkJggg==",
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     "label": "Licking Creek",
     "url": "91927b121c9af1e0d691716b54e90712",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLSwMjEoMNABfD/H8MVFpBhUpvr2Khh4DPfJh0WBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw///GK6ASlpqGAYyCwDfmQ9m1BQ8PwAAAABJRU5ErkJggg==",
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     "label": "Little Choptank",
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     "label": "Little Conococheague",
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     "label": "Little Elk Creek",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMzMqMNABfD37/8rLCDD/F87s1HDwI2ie3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP/+/X8FVNJSwzCQWQBL2RIwFutDQwAAAABJRU5ErkJggg==",
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     "label": "Little Gunpowder Falls",
     "url": "df6cd512e627f4be854d4216682d2ff8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbSwMjIoMNABfD/P8MVFpBhtjfq2Khh4GGNJh0WBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw///Ga6ASlpqGAYyCwDlSw8htdjoTAAAAABJRU5ErkJggg==",
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    {
     "label": "Little Patuxent River",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNZycLUwMDEqMNADfDv/xUWkGE8ayLZqGHel5DlOiwMVAYsowZSDFgoNwIVjBpIOWChghkoYNTAkRGG//5fAZW0VDHt3/8rAM2QD56lGOvpAAAAAElFTkSuQmCC",
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     "label": "Little Tonoloway Creek",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLSwMjMpMNABfD/778rLCDDRHd0s1HDwNcepTosDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv///rsCKmmpYRjILABG1BJWeQiPDQAAAABJRU5ErkJggg==",
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     "label": "Little Youghiogheny R",
     "url": "2f3bf9bf3dc02f327e07c2a0322eddc6",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjMqMNABfD/7/8rLCDDLA5FslHDwBN2y3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP///X8FVNJSwzCQWQAz9BJavvXWpQAAAABJRU5ErkJggg==",
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     "label": "Loch Raven Reservoir",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjEqMNABfD/3/8rLCDDFLcEs1HDwPs+a3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP//+38FVNJSwzCQWQAujxKGVYP34wAAAABJRU5ErkJggg==",
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    {
     "label": "Lower Chesapeake Bay",
     "url": "36d5d401bb7c3fd800bef707f50d5c08",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMzIqMNABfD3//8rLCDDPE9FslHDwO1my3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP/+/38FVNJSwzCQWQBAOhJDNFs+qgAAAABJRU5ErkJggg==",
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    {
     "label": "Lower Chester River",
     "url": "aa455d454430929ba53a2fb780c5508e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjEqMNABfD/3/8rLCDDxOe7slHDwJeJu3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP//+38FVNJSwzCQWQAvEhKzVco56AAAAABJRU5ErkJggg==",
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     "label": "Lower Choptank",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbSwMzIoMNABfD3P8MVFpBh/hcL2ahh4Eb9fh0WBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw7//Ga6ASlpqGAYyCwDxHg8hFYsCIgAAAABJRU5ErkJggg==",
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    {
     "label": "Lower Elk River",
     "url": "7e96e816f3f85d89e1d693b32a534741",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbSwMjIpMNABfD//78rLCDDTM+sZKOGgadNwnVYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP///3cFVNJSwzCQWQBGkhIIDpDq5QAAAABJRU5ErkJggg==",
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     "label": "Lower Gunpowder Falls",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjEqMNABfD/3/8rLCDDTDZHsVHDwDO+y3RYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP//+38FVNJSwzCQWQAuOBJts59KYgAAAABJRU5ErkJggg==",
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    {
     "label": "Lower Monocacy River",
     "url": "533693bd7c5f0a1ff4bd77ce26933d71",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMz8X4eBCuDvX8YrLCDD3B4bs1HDwF2yZ3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP/+ZbwCKmmpYRjILAA4nxFTPdt+aAAAAABJRU5ErkJggg==",
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     "label": "Lower Pocomoke River",
     "url": "c8134cc6b71aeb662149b0d556dcc87d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMjIqMNABfD///8rLCDDTC/HsFHDwNO6S3RYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP///38FVNJSwzCQWQA0fRJNW09uxgAAAABJRU5ErkJggg==",
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    {
     "label": "Lower Wicomico River",
     "url": "745ffc7d61408d33dc8d3539d9e2f008",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMzMqMNABfD37/8rLCDD3B6HsFHDwF2ya3RYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP/+/X8FVNJSwzCQWQBL8xIwoor2ewAAAABJRU5ErkJggg==",
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     "groupId": "0",
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     "values": [
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    {
     "label": "Lower Winters Run",
     "url": "53628430e520c2cc71905fe5de45c0a5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWNZycLUwMDEpMNADfDv3xUWkGFci7LYqGHet7hpOiwMVAYsowZSDFgoNwIVjBpIOWChghkoYNTAkRGG//5dAZW0VDHt378rANOMD5gaHLGTAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
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     "values": [
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    {
     "label": "Magothy River",
     "url": "008b2dd4977e7748452f50f0ee946cc7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycbUwMzIpMNABfD3/78rLCDDPK+nslHDwO2as3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP/+/3cFVNJSwzCQWQBF8xIpKkYeMQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
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     "values": [
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    },
    {
     "label": "Manokin River",
     "url": "ce4e5b13f10221e7abf842466d3583a8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNZycLUwMjEpMNABfD/378rLCDD1NfEslHDwJshi3VYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP//+3cFVNJSwzCQWQA0cxJ9gQK3JwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
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     "values": [
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    },
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     "label": "Marsh Run",
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