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Initially developed as one of the most successful methods for stimulating hydrocarbon production, hydraulic fracturing (HF) has gradually found its application in related fields, such as underground mining. At the same time, the importance of controlling the crack propagation path increases, since the design of in-mine hydraulic fracturing is a complex technological task due to the influence of mine workings and other inseam boreholes. When performing HF for the purpose of degassing a coal-bearing massif, there is...