{ "id": "17", "name": "Scale overview of gravity surveys", "type": "Feature Layer", "minScale": "0", "maxScale": "0", "legend": [ { "label": "Mapping 1:200,000", "description": "", "imageData": "iVBORw0KGgoAAAANSUhEUgAAACIAAAAiCAYAAAA6RwvCAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFpJREFUWIXt17ENgDAQBMFHcg2k7r8sUheBiZBg5dj/wW4FI1107Z4zKtSyAW81ISOurTud0Y8lJDMhTAgTwoQwIUwIE8KEMCFMCBPChDAh7Af5ftFUSGZlIA8ukwa7QjeI2QAAAABJRU5ErkJggg==", "contentType": "image/png" }, { "label": "Mapping 1:25,000", "description": "", "imageData": "iVBORw0KGgoAAAANSUhEUgAAACIAAAAiCAYAAAA6RwvCAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFpJREFUWIXt17ENgDAQBMFHckIT7r8umnCGiZBg5dj/wW4FI1107Z4zKtSyAW81IdeIrTv1M44lJDMhTAgTwoQwIUwIE8KEMCFMCBPChDAh7Af5ftFUSGZlIA8gJAatGRuQYQAAAABJRU5ErkJggg==", "contentType": "image/png" } ] }