Detail from Map index for Innermostasia showing the region of the Taklamakan east of the Keriya river to the area of the Lop desert around Lou-lan - for map sheets 11, 12, 13, 14, 16, 17, 18, 19, 21, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33