6
1
20
Contract of work between The Government of the Republic of Indonesia and PT. Riotinto Bethlehem Indonesia
The Government of the Republic of Indonesia
Primary Author
mixed material
1967
The Government of the Republic of Indonesia
Report no. 186 Geological and geochemical report on 1975 survey of Halmahera and Bacan, Indonesia:
PT. Riotinto Bethlehem Indonesia
Aspinall, N.C.
Primary Author
mixed material
PT. Riotinto Bethlehem Indonesia
1975
C-2018091232.jpg.jpg
Progress report for September - October - November 1974 on Block 4, Sulawesi Tengah, Indonesia
Aspinall, Clive
Primary Author
mixed material
PT. Riotinto Bethlehem Indonesia
1974
CCompressed_Compressed_C-2018090761.jpg.jpg
Final Report on the Pagar Gunung Zinc Prospect Kotanopan Area, Sumatera Utara:
PT. Riotinto Bethlehem Indonesia Report No. 142
Aspinall, Clive
Additional Author
mixed material
Jakarta
PT. Riotinto Bethlehem Indonesia
1974
PT. Riotinto Bethlehem Indonesia:
Surat Keterangan Izin Peninjauan Report on the Filed Examination of Lebong Tandai
PT. Riotinto Bethlehem Indonesia
Additional Author
mixed material
Jakarta
PT. Riotinto Bethlehem
1975
Alluvial Gold Report Singingi Riau Sumatera
PT. Riotinto Bethlehem Indonesia
Additional Author
mixed material
Jakarta
PT. Riotinto Bethlehem Indonesia
1975