Minéraux utiles et l'explotation des mines / by Knab, Louis

Subjects: “…GEOLOGIA ECONOMICA…”

Traité de metallogénie : gîtes minéraux et métallìferes / by Launay, L. de

Subjects: “…GEOLOGIA ECONOMICA…”

Platinum-group elements: petrology, geochemistry, mineralogy by Mungall, James E.

Subjects: “…393 GEOLOGIA ECONOMICA…”

Consideraciones sobre la explotación de yacimientos argentinos / by Kittl, Erwin 1890-

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Geología de los yacimientos de estaño madera de Macha -Bolivia y de yacimientos similares del Noroeste Argentino / by Ahlfeld, Federico

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Cerro La Bolsa, San Juan, La Rioja : Carta geológico-económica /

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San Antonio de los Cobres, Salta, Jujuy : Carta geológico-económica /

Subjects: “…29861 GEOLOGIA REGIONAL…”

San Fernando del Valle de Catamarca, Catamarca, Santiago. Del Estero, Tucumán : Carta geológico-económica / by González Bonorino, Félix

Subjects: “…29861 GEOLOGIA REGIONAL…”

Las calizas y calcáreos de Córdoba / by D'Aloia, Marcelo

Subjects:

Proceedings of the second Pan American scientific congress : standard methods of sampling and analysis and standard samples / by Hillebrand, W.

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Proceedings of the second Pan American scientific congress : the coals of Brazil / by White, I. C.

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Proceedings of the second Pan American scientific congress : the mineral production of Latin America / by Roush, G. A.

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Proceedings of the second Pan American scientific congress : mining in Ecuador / by Mercer, J. W.

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Proceedings of the second Pan American scientific congress : drying oils produced in the Americas / by Gardner, Henry A.

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Proceedings of the second Pan American scientific congress : paint for Latin American countries / by Toch, Maximilian

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Proceedings of the second Pan American scientific congress : metallurgy of tin ores in Bolivia / by Hollister, Scoville E.

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Proceedings of the second Pan American scientific congress : chemical research as a directing aid in the efficient utilization of pine forests / by Herty, Charles H.

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Proceedings of the second Pan American scientific congress : the field for cyaniding in South America / by Megraw, Herbert A.

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Proceedings of the second Pan American scientific congress : concentración por flotación / by Fuchs, Federico G.

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Proceedings of the second Pan American scientific congress : recientes adelantos en la práctica metalúrgica en el Perú / by Fort, Michel

Subjects: