The Trans-Himalaya, named by Sven Hedin, was described by the " Columbia Lippincott Gazetteer " in 1952 as an " ill-defined mountain area " with " no marked crest line or central alignment and no division by rivers . " On more-modern maps the Kailas Range, or Kang-to-s?Shan in the west is shown as distinct from the Nyenchen Tanglha range in the east.
