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| 2020, Vol. 57(1): 58-64 DOI: | ||
| Hydrogeological Investigation of the Underground River of Karst Tunnel in Carbonate Rock of Red Bed | ||
| (1 The 2nd Engineering Co., Ltd of China Railway 17 Bureau Group Corporation, Xi′an 710043; 2 Kunming Survey, Design and Research Institute Co., Ltd. of CREEC, Kunming 650200; 3 Civil Engineering of Southwest Forestry University, Kunming 650224) | ||
| Received null Revised null | ||
| Supporting info | ||
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