<?xml version="1.0" encoding="UTF-8"?> <map xmlns="http://www.gpxsee.org/map/1.4"> <name>USGS Topo</name> <url>https://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer/tile/$z/$y/$x</url> <zoom min="2" max="15"/> <copyright>Map services and data available from U.S. Geological Survey, National Geospatial Program.</copyright> </map>