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Portrait of Celia Beltran, 1987.

Three main cultural factors influence the flow and course of the Rio Grande. The first is the large and growing agricultural network, including diversion dams, reservoirs, and irrigation canals. The second is the development of urban water and power…

A detailed photograph of the rock causeway at Pan's pool, which shows a unique way of bridging a garden stream. On the top right, there can be seen partial pants and shoes of two men standing nearby.

A detailed photograph of the rock causeway at Pan's pool, which shows a unique way of bridging a garden stream. On the top right, there can be seen partial pants and shoes of two men standing nearby.

A photograph of cattle and cattle sheds at Nyanza.

A cattle roundup. As cattle wander far in grazing, herds become mingled. The roundup permits separation of each owner's stockand because calves always follow their mother, the finding and branding of the past year's calf crop is easily accomplished.

Men and women on horses getting cattle ready for an inspection at Pantano. In 1885 Walter Vail as President of the Arizona Stock Growers Association worked with his committee to formulate legislative proposals to protect the livestock industry of…

Three women, one man, and two children in the cattle pen. The Empire Ranch began a breeder-feeder formula which was a basic pattern of shipping cattle outside of Arizona to fatten. This proved very profitable and helped with the overcrowded…

Cattle grazing in Dar es Salam. Calves show hump. [Shantz travel journal, Apr. 2, 1920]