Guía para investigadores, República de El Salvador
By: preparada por Ministerio de Obras Públicas, Instituto Geográfico Nacional "Ingeniero Pablo Arnoldo Guzmán" [para el] Instituto Panamericano de Geografía e Historia.
Contributors: Instituto Geográfico Nacional Ingeniero Pablo Arnoldo Guzmán.; Pan American Institute of Geography and History.
Publisher: Instituto Geográfico Nacional "Ingeniero Pablo Arnoldo Guzmán"
Published: 1977
Place of publication: [San Salvador]
Language: spa
Number of pages: 81
Subjects: El Salvador -- Maps -- Bibliography.; El Salvador -- Aerial photographs -- Bibliography.; El Salvador -- Bibliography.
Notes: Includes bibliographical references (p. [39]-81).