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david lefebure v
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Mines in the making-northwestern British Columbia
David V. Lefebure · Province of British Columbia, Ministry of Energy, Mines, and Petroleum Resources
22 sayfa · 1990
Mines and mineral resources / Prospecting
Selected British Columbia mineral deposit profiles
David V. Lefebure, Gerald E. Ray · Province of British Columbia, Ministry of Energy, Mines and Petroleum Resources
136 sayfa · 1995
Ore deposits / Geological modeling / Classification / Economic Geology / Mines and mineral resources