Photograph of an unidentified man and boy posing with a sheep on a wooden walkway. Vehicles are visible in the background. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of a small dog on a wooden walkway next to a building. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of an unidentified man crouching next to a pig and holding a bottle, possibly a beer bottle, to the pig’s mouth. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of two unidentified men outdoors, smiling at each other.The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of three unidentified teenage girls looking at a thin object the girl on the right is holding. The object may be a strip of pictures from the photo booth in the background. This photograph may have been taken at the annual Pacific international Livestock Exposition in Portland.

The Pacific International Livestock Exposition building in Portland, surrounded by flood water (negative 3 of 12).

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 young man ropes a calf at the Pacific International Livestock Exposition rodeo show in Portland. The calf and the adolescent are captured mid-run, with a seated audience in the background at the edge of the arena (negative 9 of 12).

A sheep sale during the Pacific International Livestock Exposition in Portland. Taken from the stands and looking downward, the photograph shows several auctioneers standing in an enclosure with a group of sheep. In front of the auctioneers is a seated audience, primarily of men wearing suits and hats (negative 7 of 10).

A young woman sits with a cow during the Pacific International Livestock Exposition show in Portland. She holds the head of the cow while sitting on a painted “4-H Club” crate (negative 1 of 13).

Two young women shearing a sheep at the Pacific International Livestock Exposition show in Portland. Each woman holds a hand shear, as one leans on a fence watching the other shear the sheep (negative 3 of 13).

A man, wearing a hat, stands next to a steer at the Pacific International Livestock Exposition show in Portland. He shaves its head with an electric clipper, while holding it with the other hand (negative 5 of 13).

People washing cattle during the Pacific International Livestock Exposition show in Portland. The cattle are tied along a wooden wall, as young men wearing rubber boots appear to rinse them with hoses (negative 8 of 13).