Detail of the map index for Innermostasia showing the area around Lou-lan in the Lop desert. - map sheets 25, 26 ,29, 30, 32, 33, 35, 36 - At the south-west are the routes from Charchan to Charkhlik and then to Abdal and Miran. North of Abdal are the routes to Lou-lan and along the Tarim river. From Lou-lan east are the routes Stein and Lal Singh took across the salt sea (map 32) to rejoin the caravan route toward Tun-huang.