The geological survey information of coal mine is concentrated reflection of "Digital Coal Mine", which is very important basis of the manufacture and management of coal mine.

煤矿地测信息是煤矿地质测量工作的集中反映，是煤矿生产和管理工作的重要依据。

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According to the Colombian Geological Survey (Ingeominas), an accident was reported at the Desespero coal mine.

CNN: Nine feared dead in flooded Colombian coal mine