Aerial photograph of the Fort Worth Stockyards in 1960.

Aerial photograph of the Fort Worth Stockyards in February 1960.

Aerial photograph of the pens at the Chicago Union Stockyards in 1962.

Three men and a woman display the award-winning Brangus steer and its trophies at the Houston Livestock Show and Rodeo in Houston, Texas on February 20, 1969.

Photograph of Bill House, President of the National Cattlemen's Association in 1968.

A herd of white Brahman cows grazes in an open field at Kooutz Ranch.

Bruce Church holds the halter of Oscar, the Champion Brangus Bull on display with Connor Byestewa at the Houston Livestock Show and Rodeo in Houston, Texas on February 20, 1969.

Four men stand with the Champion Brangus Female at the Houston Livestock Show and Rodeo in Houston, Texas on February 20, 1969.

Photograph of a Champion Hereford Bull wearing a harness. Standing behind the bull, from left to right, is Leon Turner, Bob Beck, Lee Campbell, Kim Box wearing a tiara on her cowboy hat and holding a ribbon, and Topper Largent. Mr. Turner, Mr. Beck and Mr. Campbell wear suits and ties and the first two wear glasses. In the background is a backdrop that reads, "Fort Worth Fat Stock Show".

Photograph of a Champion Hereford Heifer wearing a harness. Standing behind the heifer is Bud Snidow in a suit, tie and hat holding a trophy, Kim Box wearing a tiara on her cowboy hat and a sash, and John Schlickau in a cowboy hat. In the background is a backdrop that reads, "Fort Worth Fat Stock Show".

Photograph of a Champion Hereford steer wearing a harness. Standing behind the steer, from left to right, is Kim Box holding a ribbon and wearing a sash and a tiara on her cowgirl hat, Mrs. Roy Largent in a dark dress and sunglasses, and Bill Holloway in a cowboy hat and the number 32 clipped to his pants. In the background is a backdrop that reads, "Fort Worth Fat Stock Show".

Photograph of a Champion Polled Hereford Bull wearing a harness. Standing behind the bull, left to right, is Orville Sweet, John Salmon, Lou Salmon, Dr. Harlan Ritchie, Jim Demuth, Don Jobes, Lynn Storm, Glen Klippenstein, Kirk Pendleton, Lloyd Arnett and Don Reynolds. Seven out of the nine men are wearing cowboy hats and all except one are wearing suits and ties. Mr. Reynolds is holding a plaque and Mr. Storm is holding a banner on the bull's back that reads, "National Polled Hereford Show and Sale, American Polled Hereford Association, Houston, Texas". In the background is a backdrop that says, "46th National Polled Hereford Show, Houston".

Photograph of a Champion Polled Hereford bull wearing a harness. In the background is a backdrop that reads, "Fort Worth Fat Stock Show". Standing behind the bull, from left to right, is Lynn Storm, Bruce Purdy, Sam Wells, Susan Rheman, Bill Wolfe, and Jim Nicholson. Everybody except Mr. Purdy is wearing a cowboy hat and three of the men are wearing suits and ties. Ms. Rheman is holding a ribbon and a banner on the steer's back reads, "Fat Stock Show, Standard of Perfection American Polled Hereford Association Fort Worth Texas". In the background is a backdrop that reads, "Fort Worth Fat Stock Show".

Photograph of the Champion Polled Hereford Bull. Standing behind the bull, from left to right, is Lynn Storm, Chuck Talley, Susan Rheman, Bruce Purdy, Nancy Reynolds and Don Reynolds. Mr. Storm, Mr. Talley, Ms. Rheman and Mr. Reynolds are wearing cowboy hats. Mrs Reynolds is holding a ribbon and Ms. Rheman is holding a banner that reads, "Reserve Champion Bull 1969, Southwestern Exposition and Fat Stock Show, Standard of Perfection American Polled Hereford Association Fort Worth". In the background is a backdrop that reads, "Forth Worth Fat Stock Show".

Photograph of a Champion Polled Hereford Female wearing a harness. Standing behind the cow, from left to right, is Orville Sweet, Bruce Purdy, Suel Hill, Lynn Storm holding a banner, Susan Rheman holding a ribbon, and Joe Lewis. All of the men except for Mr. Lewis are wearing suits and ties and all but Bruce Purdy are wearing cowboy hats. The banner reads, "Champion Female 1969 Southwestern Exposition and Fat Stock Show". In the background is a backdrop that reads, "Fort Worth Fat Stock Show".

Photograph of Col. Homer Garrison, Jr. He is speaking at a podium.

Photograph of Coldwell Calvert on horseback with a fence and trees in the background.

Photograph of a corral full of horses and six cowboys. In the center, a cowboy is leading a horse by a rope, and a saddled horse is standing in the foreground..

Photograph of Don C. King by a corral. He is wearing a sport jacket, tie and Western hat. This was taken in March 1965.

Photograph of Dr. Kate Adele Hill holding a copy of her book, Home Demonstration Work in Texas, in August 1963.

Photograph of a table diagram showing the evolution of horses through several different types of skulls. The skulls are lined up, most evolved and biggest on top to the smallest on bottom. The poster has several words on it that read, from top to bottom, "Quarternary or Age of Man, 1,000,000 Years, Pleistocene Epoch. Tertiary Age of Mammals: 50,000,000 Years. Pliocene Epoch, Miocene Epoch, Oligocene Epoch, Eocene Epoch, Mesozoic Epochs".

Photograph of a man fishing from a dock at a farm pond in Coryell County, Texas. There are a number of trees on the slop behind him.

Photograph of FLF Domestic Maid 45, a champion Hereford heifer. Standing behind the cow, left to right, is R.L. Swearingen, Mr. Falk, Lee Leachman, Mr. Marks, and Darold Armstrong. Mr. Armstrong is wearing denims and a button-up shirt with glasses and is holding the bridle of the heifer. The other men are wearing suits and ties. Three are wearing hats and one is holding a banner that reads, "Champion Female, 1962 National Polled Hereford Show & Sale, American Polled Hereford Association". In the background is an arena with bleachers full of people.

Photograph of the opening of the 1960 Fort Worth Auction Market at the stockyards. Many people sit at tables.