The main goal of the project was interpretation of land cover/use changes in Erdenet region in accordance with copper mining and industry development. Satellite images Landsat5, ASTER and Quickbird from period 1992-2003 were used for monitoring of land cover/use changes. Georeferenced images were evaluated according to interpretation key: mine area, dump from mining and industry, industrial units, settlements, military area, water bodies, pastures, arable land, forest, other anthropogenic areas. Results of the project were presented in form of thematic maps and change tables.