Résultats de la recherche - "Gold mines and mining"

Gold creeks and ghost towns / par Barlee, N. L.

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The socio-economic impact of the Hidden Valley gold project / par Jackson, Richard Thomas

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Mt Kare colluvial gold project : socioeconomic impact / par Jackson, Richard T.

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Papua New Guinea: Bougainville Copper, Ltd.

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The impact of mercury on the Bulolo River Valley / par Mallard, Ann

Sujets: “…Gold mines and mining Environmental aspects Papua New Guinea Bulolo River Valley.…”

The guide to gold panning / par Barlee, N. L., 1932-

Sujets: “…Gold mines and mining British Columbia.…”

A mine to make a mine : financing the Colorado mining industry, 1859-1902 / par King, Joseph E.

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Notes on Papua ultramafic belt mineral prospects, Territory of Papua and New Guinea / par Davies, H. L. (Hugh Lucius)

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Little Wau Creek gold prospect / par Hutchison, D. S.

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Prospecting our past : gold, silver, and Tungsten mills of Boulder County / par Cobb, Harrison S.

Sujets: “…Gold mines and mining Colorado Boulder County History.…”

Gold, silver, uranium, and coal : geology, mining, extraction and the environment /

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Ok Tedi Copper Project, Papua New Guinea information brochure

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Shallow seismic refraction investigations in the Porgera Mine area, Enga Province / par Deakin, R. C.

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Ol askim na bekim bilong porgera gol projek = Questions and answers about the Porgera gold project /

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Summary of mineral exploration in the Star Mountains prospecting authority no. 415 (NG) Ok Tedi Development Company Pty. Ltd. par McGee, W. A.

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Ok Tedi environmental study /

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