{ "serviceDescription" : "This service presents a worldwide shaded relief map at approximately 1km or 90m per pixel resolution for the world and 30m resolution for the United States. The shaded relief imagery was developed by ESRI using GTOPO30, SRTM, and NED elevation data from the USGS.", "layers" : [ {"id" : 1, "name" : "Shaded Relief Imagery"} ] }