166 pp. With two folding maps, including frontispiece. 9x5¾, original purple cloth, lettered in gilt, brown endpapers. First Edition.

Inscribed and signed by the author on the title page in purple ink, dated 1879 in New York. Includes material on geography, geology, climate and resources along the line of route; financial, construction, and maintenance data; characteristics of the Antioquia people and methods of how they carry on their enterprise.