<?xml version="1.0" encoding="UTF-8"?>
<customMapSource>
  <name>USGS Imagery Topo (US)</name>
  <url>https://basemap.nationalmap.gov/arcgis/rest/services/USGSImageryTopo/MapServer/tile/{$z}/{$y}/{$x}</url>
  <minZoom>0</minZoom>
  <maxZoom>16</maxZoom>
  <tileType>jpg</tileType>
  <tileUpdate>None</tileUpdate>
  <backgroundColor>#000000</backgroundColor>
</customMapSource>
