Las minas de Columbita y Tantalita y el descubrimiento de minerales de uranio radioactivos en la Cañada de Alvarez, Dep. Calamuchita, Córdoba
By: por Remigio Rigal.
Published: 1938
Place of publication: Buenos Aires
Language: spa
Number of pages: 29
Subjects: Mineral industries -- Argentina.; Uranium.
Notes: "Bibliografía": p. [31]
At head of title: República argentina. Ministerio de agricultura de la nación. Dirección de minas y geología.
Plate I preceded by transparent guard leaf with tracing; pl. II-V by leaves with descriptive letter-press.