68 resultados para 640402 Primary mining and extraction processes


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Issues for 1920-1948 called also v. [1]-29.

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Includes bibliographies.

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Includes bibliographical references.

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1911 called v. 4 to correspond with the 4th year of the society; previous publications were bound in 2 vols. to which no special numbers were given. The first comprised Bulletins 1-18, 1908-1909, and the 2d Bulletins 19-31, 1910.

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"Special publication."