GEOLOGICAL MAP OF SUMATRA Scale 1:200.000(EXPLANATORY NOTES TO SHEET 13 WIRALAGA)
Geological data concerning the area covered by this map sheet were not avallable before the beginning of the geological survey Verbex (1881,1) largely as alluvium and for a small part in the SW as marind diluvium, by hartman (1915,2)
Ketersediaan
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat
PMB LA 1934-2