Image is part of research conducted by André Guibaut for the article: Exploration in the Upper Tung Basin, Chinese-Tibetan Borderland
Author(s): André Guibaut
Source: Geographical Review, Vol. 34, No. 3 (Jul., 1944), pp. 387-404
Published by: American Geographical Society
Stable URL: http://www.jstor.org/stable/209971