National Geographic : 1946 Aug
© National Geographic Society Kodachrome by Kenneth Segerstrom Past the "Mountain of the Eagle" the Balsas Winds on Its 426-mile Course tothe Pacific At several points like this, travelers cross the river by ferry. The barefoot men at right pull a boat to a landing. Arail trestle atBalsas village, head of navigation south of Taxco, and a highway span at Mexcala are the only bridges. Ruins of a pre-Aztec city were found atop the peak rising inthe distance.