Ecological Systems and Devices Annotation << Back About an opportunity of use of the developed space of underground mine for the decision of environmental problems Gavrilenko V.V. In clause the ecological estimation of technological prospects of underground mining of a powerful deposit with the closed cycle of the reference of firm substance is given. Key words: underground mining, iron ore, enrichment waste, ecological consequences, chernozems, chambers, pillar, the closed cycle, underground tailing dump. E-mail: sla-77@yandex.ru