National Geographic : 1950 Apr
© National Geographic Society 4. Sheep, Marching Across Arizona, Block Roads, Stir Dust Clouds Each spring the herd sets out from Salt River Val ley to mountain pastures. Pablo Chavez (right), the cook, rides, his burros bringing up the rear. Rosalio Lucero, the herder (left), walks the entire 52 days. Kodalchromes by Francis I. Line 4 Earning Their Salt by Desert Ordeal, the Sheep Collect a Payment At Rock Tank the trail approaches a highway, en abling the herd's owner to deliver fresh supplies. Adrienne Line, meeting her photographer-father here, distributes the salt feast.