Indices at margins. Relief shown by hachures. Available also as a digital image through the Harvard University Web site. Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2009. Georeferenced image for use in a GIS.
Indices at margins. Relief shown by hachures. Available also as a digital image through the Harvard University Web site. Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2009. Georeferenced image for use in a GIS.