This map was created using GPS Visualizer's do-it-yourself geographic utilities.
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The following table lists all of the map types which are currently available in Google Maps created by GPS Visualizer. If you want to exclude some of them from your maps, use gv_options.map_type_control.excluded. For example:
Note that you can use either a map's "ID" or its "alias"; the aliases are permanent, but the maps they resolve to may shift over time as different choices become available or unavailable. For instance, 'GV_TOPO_US' points to 'US_ARCGIS_TOPO' as of 2016, but in the future it might point to a different map source; using the alias is recommended, as it will always resolve to the "best" option.