l. The Chengtu-Menkong Line

This line starts from Chengtu and proceeds southwestward by Shuangliu, Hsintsin, Mingshan, to Yachow. From Yachow, it turns northwestward and proceeds to Tienchuan, then westward to Tatsienlu, Tunyolo, and Litang. After Litang, the line proceeds southwestward through Batang and Yakalo, to Menkong, covering a distance of about 400 miles of very mountainous country.