5
1
20
Proposed work programme and budget for the year ending 31st March, 1989:
PT. Antam Barisan Mining
PT. Antam Barisan Mining
Additional Author
Sagala, B.D.
Additional Author
Soemantri, H.
Additional Author
mixed material
Bukit Tinggi
PT. Antam Barisan Mining
1989
2018101029.jpg.jpg
Quarterly progress report for the period ending September 30, 1987:
Prospect 9756
Mattinson, P.G.
Additional Author
mixed material
Bukittinggi
PT Antam Barisan Mining
1987
Quarterly progress report for the period ending June 30, 1988:
Prospect 9756
Sagala, B. D
Additional Author
mixed material
Bukittinggi
PT Antam Barisan Mining
1988
Fourth quarterly report and 1987 annual review PT Antam Barisan Mining
Sagala, B. D
Additional Author
mixed material
Bukittinggi
PT Antam Barisan Mining
1988
Report of Topographic Survey Talakit Area - Solok Western Sumatera
mixed material
Jakarta
Antam – Unit Geologi
1993