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3 Источники информации, прин тые во внимание: гГри экспертизе 1. Зобин В. И. Состо ние устойчивости и борьба с деформаци ми откосов бортов на 5 4 карьерах цветной металлургии. Сери «ГорнОа дело. М-., Цветметинформаци 1977 2. Фисенко Г. Л. Укрепление откосов на карьерах. М., «Недра, 1974, с. 192.3 Sources of information taken into account: • Expertise 1. Zobin V.I. The state of stability and the fight against deformations of the sides of the sides of the non-ferrous metallurgy. Seri "GornOa case. M-., Tsvetmetinformatsi 1977 2. Fisenko G. L. Strengthening the slopes of open-cast mines. M., “Nedra, 1974, p. 192.