Title: Vremennye ukazanii͡a po privedenii͡u vyrabotok v neudaroopasnoe sostoi͡anie metodom burenii͡a razgruzochnykh skvazhin i shpurov na rudnikakh Proizvodstvennogo obʺedinenii͡a "Apatit"
Subjects: Ground control (Mining)
Places: Russia (Federation), Apatity