A woman stands on the back of a galloping horse at the Pendleton Round-Up. She wears a western costume while holding both arms in the air, as she rides past a seated audience (negative 3 of 24).

A bronc rider on horseback at the Pendleton Round-Up. The horse is rising upward, as the rider holds onto a rope with one hand. An audience can be seen at the far side of the dirt arena (negative 1 of 24).

Two children, dressed as a cowboy and cowgirl, stand next to a spotted horse (mule?) at the Pendleton Round-Up. Both children are looking towards the horse and holding a rope (negative 1 of 11).

A man in a cowboy hat leans down onto a roped calf at the St. Paul Rodeo. Next to him is another man on a horse, who is holding a flag in a raised hand. Spectators watch from the edges of the dirt arena, beyond which buildings can be seen (negative 5 of 5).

A man on a moving horse ropes a calf at the St. Paul Rodeo. At the far side of the dirt arena is a group of onlookers, riding on horses and sitting at the top of a fence (negative 1 of 5).

A man rides a bucking bronc at the Molalla Buckeroo, while other riders and people watch. A raised bleacher area can be seen next to the dirt arena (negative 3 of 7).

Riders on horseback gather in a dirt arena at the Molalla Buckeroo. A man in Native American garb is facing towards the camera holding an American flag on a pole. A crowd in bleachers can be seen in the distance (negative 7 of 7).

Two horse-drawn chuckwagons race on a dirt track during the 1940 Molalla Buckeroo. Men with long horse whips ride in the carts, kicking dust into the air. A crowd in bleachers can be seen along the sides of the arena (negative 1 of 3).

A man rides a bucking bull at the 1940 Molalla Buckeroo, while other riders and a large audience watch (negative 3 of 3).

Ruth Elinor King, Rose Festival princess for Franklin High School. She wearing a rose corsage and standing next to a bridled horse (negative 2 of 6).

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).

Two guards on horseback at Oregon Shipbuilding Corporation in Portland. They’re on a paved road next to a large ship, with two men at the front. Several metal structures over the road appear to hold cranes (negative 9 of 9).

A woman (a reporter?) standing next to guards on horseback at Oregon Shipbuilding Corporation in Portland. The woman, wearing a hat and long coat, is turned towards the camera while one of the guards looks downward at her (negative 1 of 9).

A woman wearing a horse riding outfit and boots receives a ribbon during the Portland Hunt Club paper chase. A man is facing towards her, and is holding the ribbon and another item is his hands. Behind the pair is a horse (negative 6 of 6).