TNM Blank US base map service from The National Map.
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{'Title': 'USGS TNM Blank US', 'Author': 'U. S. Geological Survey - National Geospatial Program', 'Comments': 'See <a href="http://viewer.nationalmap.gov/help">http://viewer.nationalmap.gov/help</a> for assistance with <i>The National Map</i> viewer, services, or metadata.', 'Subject': 'TNM Blank US base map service from The National Map', 'Category': '', 'AntialiasingMode': 'Fast', 'TextAntialiasingMode': 'Force', 'Keywords': 'base map service,NGP-TNM,REST,WMS,WMTS'}
[{'geoTransforms': [{'wkid': 108001, 'latestWkid': 1241, 'transformForward': True, 'name': 'NAD_1927_To_NAD_1983_NADCON'}]}, {'geoTransforms': [{'wkid': 108001, 'latestWkid': 1241, 'transformForward': False, 'name': 'NAD_1927_To_NAD_1983_NADCON'}]}]
nan