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Abstract In order to solve the problem that the hydrogeological anomaly may cause damage to the safe mining of the working face under the 132下04 working face of Gequan Mine, with transient electromagnetic and underground radio wave fluoroscopy technology, pre-detection was conducted, the detection range covered the entire working surface, and the geophysical data collected was qualified and effective. After processing and analysis, five geological anomalies and two hydrological anomalies were circled inside the working face, the technology effectively solved the hydrogeological problems in late working face, with good economic and technical effects.
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