Protocol Of Joint Technical Meeting Of Indonesian Specialists Of "PBBK" And Soviet Specialists Carrying Out Work Of Contract No 383
According to the program of iron and steel projrct of kalimantan approved b. madjelis permusjawaratan rakyat sementara (The indonesian temprorary national councill) geological investigations were carried outbwithin the busang and sigihan coal deposits in 1963-1964, with a view to ascertain the coal quality and reserves of commercial importance so as to supply a future iron and steel plant in kalimantan