Photograph of a uniformed man on horseback, holding a bugle to his lips. Attached to the bugle is a banner with the letters “LSH,” for Lord Strathcona’s Horse, a Canadian cavalry regiment (now an armored unit). The photograph was probably taken at the 1938 Pacific International Livestock Exposition in Portland, where soldiers from the regiment performed drills. The man is unidentified.

Photograph of four unidentified men mounted on horses and waving their hats in the air. Each man is wearing a badge and may be a law enforcement officer. Spectators are seated in stands in the background. The photograph may have been taken at the Multnomah County Fair in Gresham, Oregon.

Photograph of four unidentified girls on horses standing outside a barn. The photograph may have been taken at the Multnomah County Fair in Gresham, Oregon.

Photograph of four unidentified men on horses running down a dirt track, probably the racetrack at the Multnomah County Fairgrounds in Gresham, Oregon. Each man is holding a lasso. The number 21 is written on the negative and is visible in the upper right corner of the image. The photograph may have been taken during the county fair.

Photograph of four unidentified people, possibly trick riders, on horseback next to the gates at the Multnomah County Fairgrounds in Gresham, Oregon. All four riders are doffing their hats. The number 2 is written on the negative and is visible in the lower left corner of the image. The photograph may have been taken during the county fair. The photograph may be related to image Nos. 374N0770, 374N0771, 374N0773, 374N0774, 374N0776, 374N0777, 374N0780, 374N0781, 374N0782, 374N0784, and 374N0785.

Photograph of an unidentified woman mounted on a horse. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of an unidentified man and young child mounted on a horse. A building is visible in the background. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland.

A young woman rides on a white horse in the Pendleton Round-Up parade in Pendleton, Oregon. She holds a flag on which the only legible word is "Joseph." She wears cowboy clothing and a cowboy hat. Behind her, the sidewalk is filled with spectators watching the parade (negative 8 of 8).

People racing on horseback during a Portland Hunt Club meet in Garden Home. They ride on a fence-lined dirt track, while people watch from the distance. Photographs from this series were published in the Oregon Journal on Sunday June 19, 1949 (negative 2 of 16).

Young rider Gloria Rizzo, age 3, at the Pendleton Round-Up. She wears a western hat and shirt, This photograph was published in the Oregon Journal on Sunday, August 27, 1950 (negative 22 of 24).

A woman rides a horse at the spring race meet for the Portland Hunt Club at Garden Home. She is holding what appears to be a metal bowl. In front of her, another woman stands at ground level holding folded papers. The rider uses one hand to hold the horse’s rein. Written on the negative is “Mrs. Omer Bonney - Sun Blanket” (negative 1 of 6).

Omer Bonney stands next to his horse (Gold Dust) while holding a trophy, during the spring race meet for the Portland Hunt Club in Garden Home. He is standing on a dirt track in front of a fence, behind which is a field and more fences (negative 3 of 6).

Photograph showing pairs of male and female riders at the 1950 Western Horse Show in an open field area. Large electric lights can be seen over the field, in addition to automobiles, trailers, and empty bleachers.

Five-year-old trick rider Carol Armtrout, standing in the saddle of a galloping horse. She has both arms raised and is looking towards the camera. Most likely taken at Multnomah Stadium, empty stands can be seen in the background (negative 2 of 4).

Photograph of soldiers from Lord Strathcona’s Horse, a Canadian cavalry regiment (now an armored unit). The soldiers are on horseback and are carrying pennants. The photograph was probably taken at the 1938 Pacific International Livestock Exposition in Portland, where soldiers from the regiment performed drills.

Photograph of an unidentified toddler sitting on the back of a horse standing on a dirt road near buildings. The number 24 is written on the negative and is faintly visible in the upper right corner of the image. The photograph may have been taken at the Multnomah County Fair in Gresham, Oregon.

Photograph of four unidentified people, possibly trick riders, on horseback next to the gates at the Multnomah County Fairgrounds in Gresham, Oregon. The photograph may have been taken during the county fair. This photograph may be related to image Nos. 374N0770, 374N0771, 374N0773, 374N0776, 374N0777, 374N0780, 374N0781, 374N0782, 374N0783, 374N0784, and 374N0785.

Photograph of an unidentified man on a horse. He is holding his cowboy hat in the air with one hand. The photograph may have been taken at the Multnomah County Fair in Gresham, Oregon. May be related to image Nos. 374N0770, 374N0771, 374N0773, 374N0774, 374N0776, 374N0780, 374N0781, 374N0782, 374N0783, 374N0784, and 374N0785.

Photograph of an unidentified woman mounted on a horse. Parked cars are visible in the background. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. Also see image No. 374N1190.

Photograph taken from a slight side angle showing a man on horseback standing in front of a painted wooden wall. He is holding a "first prize" ribbon and horse trophy in his right hand.

“Indian princesses” ride in a parade in downtown Pendleton during the 1954 Pendleton Round-Up. The young women are wearing regalia and riding decorative horses, as spectators watch from the sides of the street. This photograph was published in the Oregon Journal on Friday, September 17, 1954 (negative 1 of 18).

Ike Rude roping a steer during the 1954 Pendleton Round-Up. A lasso can be seen around the steer’s head, as it runs in front of Rude's horse. An audience watches from the side of the arena (negative 5 of 18).

Riders on horseback at Kelly field, during a celebration for the Oregon City Centennial. Two people can be seen on the ground next to the horses, as an audience watches from covered bleachers. Photograph from this series were published in the Oregon Journal on Friday, August 13, 1948 (negative 19 of 19).

A person jumping a horse during a Portland Hunt Club meet in Garden Home. The horse is in midair over a fence, with the rider holding its reins. Photographs from this series were published in the Oregon Journal on Sunday June 19, 1949 (negative 4 of 16).

A woman, wearing riding clothes, takes a trophy being held be a child at the Pacific International Livestock Exposition show in Portland. The woman holds the reins of a horse in another hand while looking downward at the child. An audience can be seen seated in stands at the edge of the dirt arena (negative 7 of 12).

Indigenous American riders at the Pendleton Round-Up. Two young women share a horse at the front of the group, with two other women on horseback hold children in front of themselves (negative 21 of 21).

Two racers, neck in neck, at the Pendleton Round-Up. A crowd watches from from wooden stands at the side of the track (negative 9 of 21).

Jeanette Wesley, member of the Yakima Tribe and Indian Queen of the Pendleton Round-Up. She wears regalia while seated on a horse, and receives a blanket from Mrs. C.M. Bishop Jr. This photograph was published in the Oregon Journal on Monday, August 28, 1950 (negative 13 of 23).