terrikon - dump, artificial embankment from waste rocks. mining, waste heaps of mines and mining plants

artificial ascension background bank batch belt bing boney brown building coal construction conveyor culm design dump embankment empty equipment general gob gravel ground hazardous heap heaps hill industrial industry landscape materials mine minerals mines mining nature overburden pattern pile plants pyramid refuse residue rock rocks slag slickens spreader stacker system terrikon texture tourism waste work