Photograph of a herd of mules used by the military in Texas, [United States] in the early 20th century.

Photograph of a man, a cowboy, sitting on a horse in a yard in front of a house on the Almos Ranch, Texas, [United States] in 1907.

Photograph of two men holding a rifle and a rope with several dogs standing next to several peccary or javalin[a] carcasses in [Texas?] in the early 20th century.

Photograph of an articulated skeleton of a prehistoric horse from the Lower Pleistocene in Texas from the American Museum of Natural History in New York City, New York, USA in the early/mid 20th century.

Photograph of three women in swimming costumes standing in a river in front of a bank of trees in Texas in the early 20th century.

Photograph of a cowboy riding a bucking Texas broncho [bronco horse] in a fenced-in paddock in the early 20th century.

Photograph of a herd of Hereford cattle in Texas feeding at troughs in a cattle pen in the early 20th century.

Photograph of William Coleman's Texas ranch house in the early 20th century.

Photograph of three Texas Remount horses in a pen in the early 20th century. The United States Remount Service was mormed under the Quartermaster Corps of the U.S. Army in 1908 in order to breed horses by providing government-owned stallions to privately-owned mares to supply the military at any given time.

Photograph of a typical Karakul coarse wool ram in a sheep pen taken on the ranch of Dr. C.C. Young near El Paso, Texas [United States] in the early 20th century.