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Coal deposits of the Santa Clara district near Tonichi, Sonora, Mexico : a study undertaken to aid industrial development of the region

Wilson, Ivan F. (Ivan Franklin), 1916- author

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Notes

  • Title from title screen (viewed July 21, 2014).
  • "Prepared in cooperation with the Secretaría de la Economía Nacional de México, Dirección General de Minas y Petróleo and the Universidad Nacional Autónoma de México, Instituto de Geología, under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State."
  • Includes bibliographical references.
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