A line of wagons hauling crates filled with elk through heavy snow on their way to Billy Meadows. The elk were part of a transplant program to bring a herd of elk from Yellowstone Park in Wyoming to the Wallowa Mountains in Oregon.

Horses pulling a line of sleds loaded with elk crates through the deep snow. The elk were part of a transplant program to bring a herd of elk from Yellowstone Park in Wyoming to the Wallowa Mountains in Oregon.

Two men on horseback at the edge of Crescent Lake.

A bear wearing a collar and drinking from a bottle of water on a street in La Grande with a dog standing next to it. An unidentified man driving a horse-drawn wagon is looking on in the background.

Three unidentified men, one on horseback, and two packhorses loaded with camera equipment standing in sagebrush in eastern Oregon.

An unidentified man leading a packhorse loaded with camera equipment through the desert in eastern Oregon.

Two unidentified men, one on horseback, and William Finley Jr. with two packhorses loaded with camera equipment standing in sagebrush in eastern Oregon.

Irene Finley, William Finley Jr. and an unidentified man leading a packhorse loaded with camera equipment through the sagebrush in eastern Oregon.

Irene Finley on horseback while William Finley Jr. and two unidentified men walk alongside on a trail through the desert near Jim Paul Ranch in southeastern Oregon.

Irene Finley on horseback while an unidentified man walks alongside on a trail through the desert near Jim Paul Ranch in southeastern Oregon.

Photograph of a horse-drawn pole derrick with seated man. A hat sits next to the man, who looks at the camera. Railroad tracks cross the frame, and a wooden building can be seen in the background.

Photograph showing men riding horses along a hillside trail. One of the men looks back towards the camera, while the others face forward on their horses, heading away. The hillside is steep with look rocks and foliage. Written on the negative is “E301.09-O-40” and “44.” (Packtrain: Harman, Peck, Caldwell, Ransom.)

Photograph of a flag planted on a beach in Oregon. A sign on the left side of the flagpole reads, "Tide Going Out," while a sign on the right side of the flagpole reads, "Tide Coming In." On the left, a child rides a small horse that is being led by another child. There are people in the ocean in the background. Stamp on the back of the print reads, "Photograph by F. Eugene Davis." Handwriting on the back of the print reads, "Seaside."

Photograph showing men and horses standing on a trail cutting through a rocky slope. They are facing away from the camera and mounted. Written on the negative is “E301.09-O-27” and “43.” Image note: “Sherrard, Cravey, Caldwell” written on negative sleeve).

Photograph showing a party of men standing in a field of tall grass with horses. A forest is visible behind the group. Written on the negative is “Party at Three Links, 5-4-20.”

Story about an ornery horse at Poole's Ranch.

Photograph showing horse teams grading a dirt road cut. On the right side of the image is a forested hillside, and one the left is a loose dirt hillside. Written on the side of the negative is “E301.09-O-231.” (Image note: discoloration visible on the right side of the negative).

Photograph of an unidentified man driving a horse and carriage on the Burnside Bridge in Portland, possibly during a parade.

Photograph showing a wooden bridge with an automobile, two horses, and men on top of the structure. Snow can be seen throughout the image.

Photograph, taken indoors and from the side, showing a bridled horse from the neck up. The number 1 is written on the negative and is visible in the lower right corner of the image. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Photograph, taken indoors, showing a bridled horse from the neck up. A mark that may be the number 4 is written on the negative and is visible in the lower right corner of the image. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Photograph showing three horses standing in a row in a field, and facing front. Next to each horse is an unidentified man holding the horse’s lead rope or halter. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Half-length portrait of an unidentified man standing next to a stall and holding the halter of a horse that is looking over the stall door. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Half-length portrait, taken indoors, of an unidentified woman standing next to a horse. The woman is looking at the horse and holding its reins. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. See related image No. 375A0020.

Full-length portrait of two unidentified men outside a building, each holding the halter or lead rope of a Percheron. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. The text “Rubys [sic] Percherons” is written on the negative and is visible at the bottom of the image. See related image No. 375A0011.

Photograph, taken indoors, showing a bridled horse from the neck up. An unidentified person outside the frame is holding the horse’s reins.The number 3 is written on the negative and is visible in the lower right corner of the image. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Full-length portrait, taken from the front, showing a teenage boy and girl on horseback, facing slightly left. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.