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The geological and technological conditions of thick copper ore deposit extraction under the rock burst hazard are presented, based on an example of the new RG-9 room and pillar system. The results of rock mass behaviour surveys and observations during the trial exploitation are discussed as well as the system effect on deposit management.

The concept of constructing the industrial wastes storage in the rooms after salt mining in the „Polkowice-Sieroszowice” mine, which is currently considered by KGHM POLSKA MIEDZ S.A., would allow for disposing about 50 000 tons of wastes per year. These wastes are arduous for the environment and at present there are not other methods of their utilization than just storing them in the surface waste management facilities. These wastes have physical, chemical and toxic properties allowing to store them underground. T...

The paperedeals with the results of an analysis of landscape element changes, such as forests, water areas, agricultural areas, built-up areas, anthropogenic shapes in the selected area. The applied method makes use of the possibilities of Geographical Information Systems, terrain observation, documentation and study of archives. The starting time period for which the landscape character analysis was carried out is the year of 1946 (military aerial photos) and the present time (maps). The research is localized in ...