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 participating in a 100-yard dash at Kelly field, during a celebration for the Oregon City Centennial in 1948. This photograph was published in the Oregon Journal on Friday, August 13, 1948 (negative 17 of 19).

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 man riding a bucking horse at the Pacific International Livestock Exposition rodeo show in Portland. The horse is jumping in mid air, as the man holds on, with a cigarette in his mouth. People watch from the side of the arena (negative 2 of 7).

A man riding a bucking horse at the Pacific International Livestock Exposition rodeo show in Portland. The horse is jumping in mid air, with the man above its back, attempting to hold a rope. People watch from the side of the arena (negative 6 of 7).

A rider on a bucking horse at the Pendleton Round-Up. The man is holding onto the horse with one hand, while holding the other in the air. A crowd watches in the background, with a seated audience at the arena (negative 1 of 21).

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).

A bronc rider falling off a horse during the Pendleton Round-Up. Another rider on horseback watches from behind, with an audience gathered at the side of arena (negative 20 of 24).

A bronc rider falling off a horse during the Pendleton Round-Up. The man is in mid-fall, while the horse kicks its back legs into the air. An audience can be seen watching from the background (negative 2 of 23).

A man falls off a horse in front of a small steer, during the Pendleton Round-Up. His horse can be seen at the left side of the frame, riderless, next to another person on a horse. An audience can be seen at the far side of the dirt arena (negative 3 of 17).

A man riding a bucking bronco at the Pendleton Round-Up. The horse has its hind legs in the air, while the man holds one arm behind him. Spectators watch from the far side of the field. Photographs from this series were published in the Oregon Journal on Friday, September 12, 1952 (negative 2 of 18).

A rider roping a steer during a show at the Pendleton Round-Up. He rides on a horse next to the steer, as he loops a rope around its torso. Spectators can be seen in the stands at the far side of the arena. This photograph was published in the Oregon Journal on Friday, September 12, 1952 (negative 7 of 18).

A man riding a bucking bronco at the Pendleton Round-Up. The horse has its hind legs in the air, while the man holds a rope handle attached to its bridle. “RN” can be seen on the man’s leather chap pants, while spectators watch from the far side of the arena (negative 1 of 6).

Bronc rider Dell Haverty on Chappo, during the 1954 Pendleton Round-Up. The kicks his hind legs into the air as Haverty holds his left arm outward. An audience can be seen in the distance (negative 2 of 15).

Jack Spurling riding a bucking bronc during the 1954 Pendleton Round-Up. The horse is jumping into the air as Spurling holds his right arm in the air. An audience watches from a the sides of the arena (negative 5 of 15).

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).

A cowboy rides a bucking bronco at the Pendleton Round-Up in Pendleton, Oregon. The horse is airborne. Crowds watch from the stands in the background. Writing on the right side of the negative reads, "Widow maker, Bill Watts" (negative 1 of 11).