Joe (left) and John (right) King's ancestor began ranching in the Altar Valley in the 1890's. Joe carries on the family tradition, but many ranching families lack heirs interested in ranching
Ernesto "Chapo" Valenzuela, now 97, holds the rope he used for the last 20 years of his life as a cowboy. A rancher and cowboy for over 60 years, his knowledge of grazing made him a mentor to many in the valley
Cowboys of Mexican heritage are an important labor force for many ranches in the region, which was part of Mexico until 1854. Until recently, many Mexican cowboys moved freely--sometimes walking--- across the U.S./Mexico border