Proposed work programme and budget for the year ending 31st March, 1989: PT. Antam Barisan Mining
Quarterly progress report for the period ending September 30, 1987: Prospect 9756
Quarterly progress report for the period ending June 30, 1988: Prospect 9756
Fourth quarterly report and 1987 annual review PT Antam Barisan Mining
Report of Topographic Survey Talakit Area - Solok Western Sumatera