1. Plan of Lhasa Maps University Of Minnesota Public content 1904. Waddel, Lurence Austine, 1854-1938. Cartographic Details: Scale approximately 1:20,000 (E 91°06'27"--E 91°09'47"/N 29°40'13"--N 29°38'18"). Relief shown by hachures. Likely reproduced... Royal Geographical Society ; London.