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Title Geologic investigations in the American republics, 1944-45 / by John Van N. Dorr, 2d ... [et al.].
Imprint Washington, D.C. : U.S. G.P.O., 1947.


 GovDocs Federal  I 19.3:  no.946-A-F    AVAILABLE
Description 168 p. : ill., Li pls. (incl. some folded maps) ; 24 cm.
Series Geological Survey (U.S.). Bulletin ; 946.
Geological Survey (U.S.). Bulletin ; 946.
Note Part of illustrative matter in back pocket.
"The letters in parentheses preceding the titles are those used to designate the papers for separate publication."
Subject Manganese mines and mining -- Brazil.
Iron mines and mining -- Brazil.
Mercury mines and mining -- Mexico.
Scheelite -- Mexico -- Baja California (Peninsula)
Geology -- Mexico.
Contents (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.
Other Author Geological Survey (U.S.)