'Ascending the Mexican Cordillera, or Eastern Sierra Madre: The Railway Is Seen In The Valley Far Be Creator: Unknown.
Caption:
'Ascending the Mexican Cordillera, or Eastern Sierra Madre: The Railway Is Seen In The Valley Far Below', 1919. From "Mexico", by C. Reginald Enock, F.R.G.S. [Charles Scribner's Sons, New York, 1919]