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

Subjects:

Proceedings of the second Pan American scientific congress : mining costs and selling prices of coal in the United States and Europe, with special reference to export trade / by Rice, George S.

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Proceedings of the second Pan American scientific congress : coal fields of the United States considered as sources of supply for the western hemisphere / by Campbell, Marius R.

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Proceedings of the second Pan American scientific congress : coal-dust firing in reverheratory furnaces / by Kuzell, Charles R.

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Proceedings of the second Pan American scientific congress : saving of coal through the employment of better mining methods / by Haas, Frank

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Proceedings of the second Pan American scientific congress : standard methods for sampling and analyzing coal / by Fieldner, A. C.

Subjects:

Congreso Científico Panamericano (2 : 1915-1916 : Washington).

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Revista del Museo de La Plata [general] /

Table of Contents: “…Medina -- Datos sobre el carbón de piedra de San Rafael (provincia de Mendoza, R. …”