Santa Rita del Cobre - A Copper Mining Community in New Mexico
Christopher J. Huggard, Terrence M. Humble
Railways and Industry in the Tondu Valleys - Bridgend to Treherbert
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Ethereum: Guide to Blockchain Technology With Tips Hacks and Guides for Mining Ethereum (Understand Ethereum Mining Smart Contracts and Decentralized Applications)
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Diamonds - (Illustrated Edition)
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The Underground City; Or The Black Indies (Sometimes Called The Child of the Cavern)
Jules Verne
Underground Treasures: How and Where to Find Them - A Key for the Ready Determination of All the Useful Minerals Within the United States
James Orton
