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The article describes the underground mining of compact ore bodies by inclined layer panels. (each sequentially developed bottom-up by means of inclined blind drifts). Compact ore bodies are opened by an inclined shaft equipped with a special hydraulic pipelines for delivery of fine-grained rock mass to the surface. In this case, the inclined shaft path, depending on the shape of the ore body, can pass from below the ore body, above it, or diagonally near its lateral surface. Directly from the side wall of the tru...