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eoin h macdonald
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Cilt sonuçları
Alluvial mining
Eoin H. Macdonald, E. MacDonald · the geology, technology and economics of placers
508 sayfa · 1983
Hydraulic mining / Placer deposits / Placer mining
Manual of beach mining practice
Eoin H. Macdonald · Dept. of External Affairs
95 sayfa · 1968
Handbooks, manuals / Ores / Placer deposits / Placer mining / Prospecting
An assessment of the Riofinex placer gold program
Eoin H. Macdonald · Riofinex Ltd. for the Ministry of Petroleum and Mineral Resources, Deputy Ministry for Mineral Resources
Sayfa sayısı yok · 1982
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