Vol. 35, Number 2, Summer 1995, pp. 131-141

The caminos of Mexico have no beginning and are without end. For, having set out upon a road, one can take up a foot-trail common to pack-beasts and men...

Vol. 37, Number 2, Summer 1995, pp. 280-293

The Rio Mayo is one of the principal rivers in the state of Sonora, Mexico, originating in the Sierra Madre of western Chihuahua and dis­charging into the Gulf of California 40 miles north of the boundary between Sonora and Sinaloa. The area of its drainage basin is approxi­mately 6,800 square miles. The boundary of the basin is a ragged line following the mountain divides which separate it from the Rio Yaqui watershed on the north and from the Rio Fuerte watershed on the South...