Oregon governor Paul Patterson speaking from a raised grandstand during the dedication of the Umatilla Bridge. Chief Clarence Burke, George Spino and other members of the Confederated Tribes of Umatilla Indian Reservation are seated in front of the grandstand facing the audience. The stand is decorated in flags and bunting. The state flags for Washington and Oregon are displayed on the back wall with an American flag hung in the middle. (negative 3 of 9).

A line of automobiles driving on the access road across McNary Dam from the Washington to Oregon side of the Columbia River to attend the dedication ceremony for the Umatilla Bridge. Infrastructure for the hydroelectric power plant is visible on top of the dam on the left side of the photograph (negative 1 of 9).

Chief Clarence Burke from the Confederated Tribes of Umatilla Indian Reservation stands with three unidentified men in suits. Burk is wearing beaded leather clothing and a headdress and is holding a drum. The photograph was taken during the dedication ceremony for the Umatilla Bridge (negative 5 of 9).

Chief Clarence Burke (far left), George Spino, and other members of the Confederated Tribes of Umatilla Indian Reservation during the dedication ceremony for the Umatilla Bridge (negative 6 of 9).

Automobiles loaded onto the Umatilla Ferry docked on the bank of the Columbia River at the base of the Umatilla Bridge. The photograph was taken April 15, 1955 during the dedication for the new bridge across the Columbia River. (negative 8 of 9).

Chief Clarence Burke and other members of the Confederated Tribes of Umatilla Indian Reservation seated in the back of a pick-up truck that is part of a line of automobiles crossing the newly opened Umatilla Bridge. Crowds of onlookers stand on either side of the road and several pedestrians are crossing the bridge on foot alongside the vehicles (negative 2 of 11).

Marching bands in formation in front of a bandstand at the Oregon end of the Umatilla Bridge during the dedication ceremony for the bridge on April 15, 1955 (negative 3 of 11).

A woman sits on a crate next to tipis in a line n a field. A car is parked nearby (negative 1 of 10).

Two women, identified as Marie and Sheila Pond, with a baby identified as Calvin Jones, in a cradleboard or carrier, standing among a group of tipis. This photograph was published in the September 12, 1956 issue of the Oregon Journal (negative 2 of 10).

A man driving a tractor tilling the track in front of stables and the main stand at the Pendleton Round-up (negative 4 of 10).

Two men and firefighting vehicles and equipment. One is standing leaning against a truck, while the other sits on the tailgate. Pumps and hoses are visible in the back of the truck (negative 5 of 7).

Women riders race around the track at the Pendleton Round-up (negative 10 of 13).

A group of people standing around a tipi under construction. A Native American woman stands to the left of the frame with one arm raised. A man stands behind the structure holding a pole. Two Native American men stand on the right of the structure (negative 7 of 10).

A man sits on the back of a bucking bull in a field at the Pendleton Round-up. A crowd watches from the stand in the background (negative 3 of 13).

A woman holds a dog next to a car while a child tries to put a costume on it (negative 2 of 2).

A group of people in costume ride on a U.S. Mail carriage in a parade through Pendleton (negative 10 of 12).

A group of Native American dancers perform in traditional clothing at Pendleton Round-up. A Majority of the dancers are men, a two year old child dances in the center of the frame (negative 9 of 13).

Gladys So-happy of Yakima, WA, winner of beauty contest at Pendleton Round-up being presented with blanket by Mrs. Richard M. Ott of Boston (negative 4 of 11).

A man walks next to an ox pulling a carriage with children on it in a parade through Pendleton, OR. A small boy walks on the right side of the frame, riders on horses are on the left side of the frame (negative 2 of 12).

A girl riding a miniature pony waves to a crowd along a parade through Pendleton. A man dresses as a clown rights a pony to her left (negative 4 of 12).

Chief Clarence Burke, of the Confederated Tribes of the Cayuse, Umatilla and Walla Walla, fastening a headdress on the head of Lee Drake at the Pendleton Round-up (negative 3 of 11).

Mrs. Ruth Duff, and Kirkpatrick presenting flowers at Pendleton Round-up to Queen Sandra Curl, of Pendleton, OR (negative 5 of 11).

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).

Actor and cowboy Hoot Gibson rides in a buggy around the arena of the Pendleton Round-Up in Pendleton, Oregon. He holds the reins to the horse that pulls the buggy. Crowds watch from the stands in the background. Writing across the top of the negative reads, "Hoot Gibson." Gibson won the title of first all-around cowboy at the 1912 Pendleton Round-Up. This photograph was published in the Oregon Journal on September 11, 1958 (negative 4 of 11).

A little boy wearing a cowboy hat holds a horse by the reigns at the Pendleton Round-Up. He looks at the horse and smiles. Writing across the top of the negative reads, "Monte Freel, trick rider." (negative 2 of 11).

A cowboy rides a bull at the Pendleton Round-Up in Pendleton, Oregon. On the right, a rodeo clown taunts the bull. Crowds watch from the stands in the background. Writing across the top of the negative reads, "Bob Sheppard" (negative 3 of 11).

A Native American boy races his horse in the arena at the Pendleton Round-Up in Pendleton, Oregon. Two other racers are visible riding behind him. Crowds watch from the stands on the left. Writing across the top of the negative reads, "Indian race" (negative 6 of 10).

A young Native American woman races her horse in the arena at the Pendleton Round-Up in Pendleton, Oregon. Another racer is right behind her. A third racer trails the pair in the background. Crowds watch from the stands on the left. Handwriting across the top of the negative reads, "Squaw race" (negative 7 of 10).