McLellan, G. A. Primary Author Abiog, D. Primary Author mixed material bibliography PT Tropic Endeavour Indonesia 1975 en English

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10 hlm : ilus ; 32 cm + lamp. The Alluvial gold potential of the Paguyaman Valley has been investigated by pitting, mecca bangka drilling, hand bangka drilling, hand auger drilling and resistivity surveys Some encouragement has been obtained from the Tonala and Katili area but elsewhere the results have been so low as to completely negate the ares potential for large dredging propositions. Work undertaken has incluced 834 meters of pitting, 1164 meters of hand bangka drilling, 315 meters of hand auger drilling, 833 meters of mecca bangka drilling and 28 kilometers of line covered by resistivity survey. PT Tropic Endeavour Indonesia Emas Laporan Eksternal Sulawesi Utara Paguyaman 622.3422 PERPUSTAKAAN UNIT GEOMIN PT Aneka Tambang Tbk 491-75-J 622.3422 ABI a 2018091268 My Library 491-75-J 622.3422 ABI a 1021 2018-09-24 11:06:41 2018-10-25 09:53:25 machine generated