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The document discusses the geological analysis of coal seams at varying depths, specifically focusing on Boreholes A, B, and C. It outlines the need to calculate the height of the lower coal seam relative to sea level and to map the outcrops of the two seams, taking into account their vertical separation. Additionally, it highlights the importance of identifying areas where the upper seam is less than 50 m below the ground surface.

Author

dfzmskwdhn

Language

EN