Geologic investigations in the American republics, 1944-45

Dorr, John Van N. (John Van Nostrand), 1910-

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  • Part of illustrative matter in back pocket.
  • "The letters in parentheses preceding the titles are those used to designate the papers for separate publication."


  • (A) Manganese and iron deposits of Morro Do Urucum, Mato Grosso, Brazil--(B) Quicksilver-antimony deposits of Huitzuco, Guerrero, Mexico--Scheelite deposits in the northern part of the Sierra de Juarez, northern territory, Lower California, Mexico--(D) Tungsten deposits of the southern part of Sonora, Mexico--(E) San Jose antimony mines near Wadley, State of San Luis Potosi, Mexico--(F) Geology of the Cuarenta mercury district, State of Durango, Mexico
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