https://rmgsc.cr.usgs.gov/arcgis/rest/services/contAF/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/contSA/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/contUS/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gceRaster/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gceVector/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gieRaster/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gieVector/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/globalelus/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gmeelevation/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gmek1/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gmek2/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/gmek3/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/SampleWorldCities/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/wte/MapServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/Utilities/RasterUtilities/GPServer
https://rmgsc.cr.usgs.gov/arcgis/rest/services/Utilities/Symbols/SymbolServer