Relief shown by shading. Includes inset "Da Massaua a Keren (1:1,300,000)." "Bollettino della Società geografica italiana. Maggio 1885"--In upper margin. Also available online. Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2014. Georeferenced image for use in a GIS.
Relief shown by shading. Includes inset "Da Massaua a Keren (1:1,300,000)." "Bollettino della Società geografica italiana. Maggio 1885"--In upper margin. Also available online. Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2014. Georeferenced image for use in a GIS.