Ecology (7) Mines and mineral resources (6) Landscapes (5) Impact (5) écologie (4) Protected areas (4) Biodiversity (4) Metals (4) Lead (4) Ecology (4) Animals (4) Soils (4) métal (3) activité minière (3) Development (3) Maps (3) Maps (3) Antiquities, Prehistoric (3) Zoology (3) Trout (3) Trace elements (3) Strip mining (3) Protohistory (3) Pollution--Environmental aspects (3) Plants (3) Mining engineering (3) Mineral industries (3) Prehistoric peoples (3) Geochemistry (3) Evidence (3)