Szukana fraza: [Abstract = "The Lubin\-Głogów Cupriferous Basin is an area of intensive mining exploitation. The four active underground copper mines are\: \"Lubin\", \"Polkowice\", \"Sieroszowice\" and \"Rudna\". In work are characterised topical states of hydrogeological conditions and are showed the directions of further protecting activities against hydrogeological degradation of this region."]