Photograph of a bulldog on a 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. Image note: Photograph shows blue marks from damage to the negative.

Photograph of a bull standing outdoors. An unidentified person is standing behind the bull. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of a bull next to a building, probably at the annual Pacific International Livestock Exposition in Portland. Two lead ropes are attached to the bull’s nose ring. Image note: Light leak on negative.

Photograph of a bull outdoors. An unidentified person outside the frame is holding the bull by its nose ring. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of a bull standing near a building, likely at the annual Pacific International Livestock Exposition in Portland.

Photograph, taken from the side, of a bull standing on the wooden walkway next to a building. The bull’s lead rope is held by an unidentified person outside the frame. The photograph was likely taken at the Pacific International Livestock Exposition in Portland, possibly in 1932, when the exposition was held from October 15 to October 22.

Photograph, taken from the side, of a bull standing on a wooden walkway. Two unidentified people partially outside the frame are holding lead ropes attached to the bull’s nose ring. The photograph was probably taken at the 1933 Pacific International Livestock Exposition in Portland, which was held from October 21 to October 28. Also see image No. 374N1063. Image note: Light leak on negative.

Photograph, taken from the side, of a bull on a lead rope held by an unidentified person outside the frame. The photograph was likely taken at the Pacific International Livestock Exposition in Portland. Image note: Light leak on negative.

Photograph, taken from the side, of a bull on a wooden walkway. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland.

Photograph, taken from the side, of a bull standing on a wooden walkway. The bull is wearing a halter and a lead rope held by an unidentified person outside the frame. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of a bull standing next to a load of hay in a truck or wagon. The number 2 is written on the negative and is visible in the upper right corner of the image. The photograph may have been taken at the Multnomah County Fair in Gresham, Oregon.

Photograph showing a construction site Bull Run. Two men face away from the camera while standing next to piles of cut wood. A small building and wooden tower with ladder can be seen in the background.

Photograph showing two men standing next to a utility pole tower with insulators visible at the top. One man is wearing a suit and bowlers hat, while the other wears a long jacket, a hat, with tall boots and a pipe. Written on the negative is “Tower. Bull Run. 2-26-12 (69).

Photograph showing an excavated area with dirt, water, and gravel. In the distance, buildings, trees, and hillsides can be seen. Also visible in the distance is Mt. Hood. Written on the negative is “0256.”

Photograph taken from a hill looking downward, showing buildings, trees, and hills in the distance. Written on the negative is “0254.”

Photograph showing a wooden flume bridge crossing the Little Sandy River near the Little Sandy Dam. Five men in work wear stand on pieces of wood next to the flume while looking at the camera. Water can be seen under the bridge in the background. Written on the negative is “E301-03396.”

Photograph taken from a hill showing a scenic landscape in the Little Sandy Dam area. Field, trees, and hills are visible in the distance.

Photograph showing men in work wear standing next to a large Y shape penstock. The metal penstock is seated on long pieces of wood with visible writing on different sections. A railroad track can be seen crossing through the front of the frame.

Photograph showing men working on a large wood frame structure. Pieces of wood and tools can be seen throughout the image, and a ladder can be seen in the bottom right corner. Written on the negative is “Intake, Bull Run, 2-26-12 (67).”

Photograph taken from a high angle showing a man in a hat and long jacket standing in a incomplete switch room. The floor is lined with metal mesh sheeting with pipes. Written on the negative is “E301-0-3420.”

Photograph taken from a high angle showing a bridge over the Little Sandy River during snowfall. In the distance, men can be seen spraying water out of a hose towards the river. On the left side of the bank is a wooden structure surrounded by trees. Is the distance, snowy trees can be seen on a hillside. Written on the negative is “0261.”

Photograph showing three men standing next to a metal utility structure at the top of the transformer house at the Little Sandy Dam. Two of the men are in work wear, while a third is wearing a suit and hat. Trees and hills can be seen in the distance. Written on the negative is “E301-0-3402.”

Photograph showing three men with a lumber carrier on a railroad track. Th men are looking at the camera and standing on the railroad car, which is loaded with planks of cut wood. In the background are piles of dirt and lumber. Written on the negative is “0258.”

Photograph showing several temporary tent structures in a large field. Is the distance, another structure can be seen, in addition to trees and hills. (Image note: discoloration of the negative is visible at the center of the frame, in addition to a small damaged area also near the center).

Photograph showing construction of the tunnel at the Big Sandy Dam (likely the Marmot Dam). A man stands next to a machine next to the tunnel entrance, which is emitting a large plume of steam. Wood and gravel is visible throughout the image. Written on the negative is “B.S. 48.”

Photograph showing a loose hillside with railroad tracks and a gravel pit at the Big Sandy Dam (likely the Marmot Dam). Multiple men can be seen standing on and near the tracks. At the top of a hill is a small wooden structure and platform. Written on the negative is “B.S.56.”

Photograph showing a man kneeling at the top of the tunnel entrance at the Big Sandy Dam (likely the Marmot Dam). He is holding a labeled measuring stick that extends into the water below. (Image note: some discoloration at edges of negative).

Photograph showing two men with a horse towing a metal cart on a railroad track. The horse is attached to the cart via a harness, with the reins being held by one of the individuals. In the background are trees and a hillside.