Josiah Edward Spurr

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Josiah Edward Spurr

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Through The Yukon Gold Diggings A Narrat

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The Iron-Bearing Rocks of the Mesabi Range in Minnesota Volume 10

The Iron-Bearing Rocks of the Mesabi Range in Minnesota Volume 10
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Political and Commercial Geology and the World's Mineral Resources

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Geology Applied to Mining; A Concise Summary of the Chief Geological Principles, a Knowledge of Which Is Necessary to the Understanding and Proper Exploitation of Ore-Deposits, for Mining Men and Students

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