Laporan singkat team eksplorasi emas S. Mirih Kalimantan Tengah daerah barat Tumbang Napoi
Quarterly report April-June 1987 mineral tenements (KP DU Kalteng) 371, 498, 830, 916-923, 946, 965: PT. Aneka Tambang-PT. Antamin Karya Utama-BP Minerals Int.Ltd. Masupa Ria Project joint venture Central Kalimantan, Indonesia
Quarterly report January-March 1987 mineral tenements (KP DU Kalteng) 371, 498, 830, 916-923, 946, 965: PT. Aneka Tambang-PT. Antamin Karya Utama-BP Minerals Int.Ltd. Masupa Ria Project joint venture Central Kalimantan, Indonesia