The first investigations of the coal formation on the is land of pulau Laut Were carried out by mining-engineer C.DE GROOT, on account of a report published in 1850 by the architect of the engineers corps W. IHNE. Since he only visited the coal occurrences on the northern part of the island, D.E.GROOT was of the opinion that coal deposits occur only…
the neogene coal measure of south sumatra is a tittle of literature study assigned by exploration division departsent as a compensation to be accepted as employee ath the geological survey of indonesia
Exploration on coal deposit have been done within the bukit asam mining concession (P.N. tambang batu bara bukit asam) in Tanjung enim, south-sumatera. the areas of areas of klawas-antticline, A. Endikat and A. muara tiga- A. penjabungan - A. Suban Complex Have Been troughly investigated.
Daerah panasbumi bobo terletak di dalam wilayah kecamatan Bajawa, Kabupaten Daerah TK.II Ngada Flores, Nusa Tenggara Timur. Secara geografis terletak diantara koordinat UTM 276058-282264 meter utara dan 9019890-9024730 meter timur
By decree of the Director of public Works of February 18, 1918 No. 645/Dir. The present Writer Was instructed to carry out the Borneo, that after his arrival at Kota Baroe, started in April 1918 At the end of June 1919 the activities were suspended for the time being.