Szukana fraza: [Abstract = "The mining and metallurgical activity in the Legnica\-Głogów Industrial District, resulting from the presence of rich deposits of copper ore, caused significant environmental pollution with heavy metals. Copper Smelter GŁOGÓW located at a distance of 7 km northwest from the Głogów city, being one of the biggest industrial plants in the area, significantly supported the economic development of the region, but also contributed to a number of unfavourable changes in the natural environment."]