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1. Chihuahua Mining Co. : [report on the activities and yield of several mines in the District of Jesus Maria, Sierra Madre] — filed under: Pre-Columbian, Maps and Plans, Science Technology Engineering Located in Resources / Digitized Rare Books
2. Vues des cordillères, et monumens des peuples indigènes de l'Amérique — filed under: Pre-Columbian, Garden and Landscape, Travel and Exploration, Pre-Columbian Art and Archaeology, Science Technology Engineering Located in Resources / Digitized Rare Books
3. Personal narrative of travels to the equinoctial regions of the New Continent during the years 1799-1804 : by Alexander de Humboldt, and Aimé Bonpland — filed under: Pre-Columbian, Travel and Exploration, Maps and Plans, Science Technology Engineering Located in Resources / Digitized Rare Books
4. Mesure des trois premiers degrés du méridien dans l'hémisphere austral: Tirée des observations de Mrs. de l'Académie royale des sciences, envoyés par le roi sous l'équateur — filed under: Pre-Columbian, Travel and Exploration, Science Technology Engineering Located in Resources / Digitized Rare Books
5. Relación histórica del viage a la America Meridional hecho de orden de S. Mag. para medir algunos grados de meridiano terrestre, y venir por ellos en conocimiento de la verdadera figura, y magnitud de la tierra . . . — filed under: Pre-Columbian, Travel and Exploration, Science Technology Engineering, Maps and Plans Located in Resources / Digitized Rare Books
6. Journal du voyage fait par ordre du roi, a l'équateur : servant d'introduction historique a la Mesure des trois premiers degrés du méridien — filed under: Pre-Columbian, Maps and Plans, Travel and Exploration, Science Technology Engineering Located in Resources / Digitized Rare Books
7. Nouveau projet d'une mesure invariable : propre a devenir universelle : extrait d'un Mémoire lû à l'assemblée publique de l'Académie des sciences, le 24 avril 1748 — filed under: Pre-Columbian, Science Technology Engineering Located in Resources / Digitized Rare Books