Includes tables on geologic and geographic description.
U.S. Geological SurveyIncludes text relating to Chaco conflict.
UntitledIncludes text relating to Chaco conflict.
UntitledSheet 1 ; Map attached to the article "La Paz del Chaco" by Virgilio A.Hernandez. Revista Militar v. 71 no 2 August 1938, p. 345-363.
Department of the InteriorSheet 2 ; Map attached to the article "La Paz del Chaco" by Virgilio A.Hernandez. Revista Militar v. 71 no 2 August 1938, p. 345-363.
Department of the InteriorSheet 3 Map attached to the article "La Paz del Chaco" by Virgilio A.Hernandez. Revista Militar v. 71 no 2 August 1938, p. 345-363.
Department of the InteriorSheet 4 ; Map attached to the article "La Paz del Chaco" by Virgilio A.Hernandez. Revista Militar v. 71 no 2 August 1938, p. 345-363.
Department of the InteriorSheet 5 ; Map attached to the article "La Paz del Chaco" by Virgilio A.Hernandez. Revista Militar v. 71 no 2 August 1938, p. 345-363.
UntitledIncludes Chaco region, facimile of an older map.
Untitled