31380011minesPT2026-03-30 20:42:30UF31380012mineNDBT31350278extracting complexesPTNT31416066coal minesPTNT31416070copper minesPTNT31416073iron minesPTNT31416076tin minesPTNT31416079diamond minesPTNT31416082silver minesPTNT31416086gold minesPTNT31416091salt minesPTNT31416093lead minesPTNT31416098flint minesPTNT31416101inactive minesPTNT31416104shaft minesPTNT31416107chrome minesPTNT31416109nickel minesPTNT31416111placer minesPTRT31314214minersPTRT31380018quarriesPT