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R & D report
Head: Chistyakov Yevgeni Petrovich. Study of deformation processes adjoining to the worked-out area on models from equivalent materials at working-off interchamber pillars with two levels height between backfilled chambers in marks 640 m, 840 m. Monitoring of the state of underworked massif of the level 301-330 m in conditions of Zaparozhski iron-ore enterprise.. (popup.stage: ). State enterprise "Scientific-research mining institute". № 0213U008001
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Updated: 2025-12-08