Land, labour and gold or, two years in Victoria with visits to Sydney and Van Diemen's land / William Howitt

Typical concentration for sulphide gold ore containing clay from South Sukabumi, West Java

River of gold the story of the river gold Rush

Prospecting and exploration of mineral deposits

Rekayasa Ulang Proses Produksi Logam Mulia Emas Studi Kasus di Perusahaan Tambang = Re-engineering Process of Gold: Case Study in Mining Companies