The river Pilcomayo from its discharge into the river Paraguay to parallel 22 ̊S
Subtitle: with map of reference, detailed map in seven sheets, sketch of routes
By: by Gunnar Lange ... Tr. from the Argentine original
Contributors: Argentina. Ministerio de Agricultura
Publisher: Printed in the press of the Argentine meteorological office
Published: 1906
Place of publication: Buenos Aires
Language: eng; spa
Number of pages: 126