938 resultados para Coal mines and mining -- Safety measures


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Consists of transactions of various Branches and Divisions of the Institute.

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Imprint varies.

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Each issue also has a distinctive title.

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GeoRef

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Geography, geological conditions, meteorological peculiarities, fluvial system, animal and vegetable kingdoms, phenomena of the coast desert -- Historical sketch -- Financial conditions, settlement with foreign bondholders, railways and their proposed extension, navigation facilities, lines of transportation, Oroya Railroad, telegraph and telephone systems -- Minerals and mines, distribution of gold, silver, copper, lead, coal, tin and other metals, the petroleum wells -- Political divisions, cities and towns, government and constitution, weights and measures, currency -- Total commerce.

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