This line starts from the Desert Junction, proceeds northeastward to the postural land and crosses the Tsingpien-Tannu Ola line south of Ulan Nor Lake. Thence it proceeds to the Tuchetu Capital where it crosses the Suiyuan-Kobdo line. After the Tuchetu Capital it goes across a pasture to Junction A. From Junction A. it proceeds to Ulanhutuk and Chientingche, then crosses the Kalgan-Tannu Ola line to Zesenkhana. From Zesenkhana, the line follows the course of the Kerulen River down in a northeasterly direction to the city of Kerulen, where it crosses the Dolon Nor-Kerulen line, and meets the Kerulen-Tungchin line. This line covers a distance of about 800 miles. m. The Khobor-Kerulen-Chikatobo Line This line starts from Khobor, the crossing junction of the Dolon Nor-Urumochi, and the Kalgan-Urga-Tannu Ola lines, and proceeds northeastward across a vast pasture to Khoshentun, where it crosses the Dolon Nor-Kiakata line. After Khoshentun, it proceeds in the same direction across a similar pasture to Kerulen, where it crosses the Dolon Nor-Kerulen line. Then it proceeds first along the right bank of the Kerulen River, then crosses to the left side, and passes along the northwestern side of Hulan Lake. After Hulan Lake, the line crosses the Chinese Eastern Railway, and the Arguna River, then proceeds along the right bank of the river to Chikatobo, where the line ends by joining the Dolon Nor-Moho and the Chikatobo-Sansing lines. This line covers a distance of about 600 miles. The first half of it runs on dry land and the second half on watered land. n. The Wuyuan-Taonan Line This line starts from Wuyuan at the northwest bend of the Hoangho and proceeds northeastward across the Sheiten Ula Mountain and pasture to Tolibulyk, where it meets the crossing junction of three lines--the Peking-Hami line, the Suiyuan-Kobdo line, and the Great Eastern Port-Urga line. From Tolibulyk the line proceeds continuously in the same direction across a pasture to Khobor where it meets the crossing junction of the Dolon Nor-Urumochi and the Peking-Urga lines, and also the terminus of the Khobor-Kerulen line. After Khobor the line turns more eastward and runs across the Dolon Nor-Kiakata line midway to Khombukure, where it crosses the Dolon Nor-Kerulen and the Hulutao-Kerulen lines. From Khombukure the line proceeds to Dakmusuma, where it crosses the Dolon Nor-Moho line. Thence it goes eastward across the Great Khingan Mountain to Tuchuan, then turns southeastward to Taonan, where it ends. This line covers a distance of about 900 miles. o. The Wuyuan-Dolon Nor Line