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The tungsten-mining industry in New South Wales.

By Carne, Joseph Edmund,.
Sydney, W. A. Gullick, Government Printer, 1912 .
4 p. l., [5]-102 p. , "This work is really a 3d ed. of ... no. 2 of the Mineral resources series. It has been amplified and brought up to date." 25 cm..

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El yacimiento de cobre "Filadelfia", municipio de Alamos, Sonora. El yacimiento de tungsteno "El Nacimiento," municipio de Ciudad Obregón, Sonora. Los yacimientos de tungsteno de "La Guadalupana" y "Potrero de Bojoroquez," Morelos, Chihuahua, por Gustavo Schulze. Un importante yacimiento de molibdenita en el municipio de Guadalupe y Calvo, Chihuahua, por Gustavo Schulze. Geología y posibilidades economicas de la mina "Manuel", Coxcatlán, mun. de Buenavista de Cuellar, Gro., por J. J. Pérez Martínez.

By Rocha, Victor Santiago..
Mexico, 1953 .
iv, 56 p. 23 cm..

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Geology and ore deposits of the Boulder County tungsten district, Colorado,

By Lovering, T. S..
Washington, U.S. Govt. Print. Off., 1953 .
viii, 199 p. , Part of the illustrative material is folded, part colored, part in pocket. 29 cm..

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