99      1       0  40   4 N 112  19 E   1066 CN     Datong             
99      2    6641  36   2 N 103  52 E   1516 CN     Lanzhou            
99      3   13282  36  34 N 108  30 E    957 CN     Yanan              
99      4   19923  37  46 N 106  24 E   1347 CN     Yanchi             
99      5   26564  38  13 N 109  41 E   1057 CN     Yulin