Photograph showing a barge holding a cargo of large rocks at a dock. Cranes remove the rocks from the barge. Handwritten note on the back of the print reads, "Jetty." Stamp on the front of the print for Kiser Photo Co.

Two men wearing hard hats stand facing away from the camera watching a crane remove walls from the Avalon apartments. The apartment building on the corner of N. Ross Avenue and Clackamas street is one of several structures demolished for the construction of the Exposition-Recreation Center (later Veterans Memorial Coliseum) (negative 1 of 3).

A Zidell crane on a wooden platform in the Willamette River lifting the final span into place on the new Morrison Bridge. Several construction workers are visible on the bridge working to fasten the span into place (negative 2 of 6).

A man in a hardhat stands holding a metal cable beside the top of a cofferdam. Bonneville dam is visible in the background. The cofferdam was installed to clear water during a project to replace baffles at the base of the dam (negative 6 of 8).

A two cranes on a packed-earth platform are in the process of removing a cofferdam around Bonneville Dam. The cofferdam was installed to clear water during a project to replace baffles at the base of the dam (negative 1 of 8).

Baffles on the front of Bonneville Dam exposed by low water behind a cofferdam. The cofferdam was installed to clear water during a project to replace baffles at the base of the dam (negative 4 of 8).

Photograph taken at Station L (now the Oregon Museum of Science and Industry) of hog fuel being unloaded via a derrick from a barge on the Willamette River. The Hawthorne bridge can be seen in the distance, as well as other boats. One person stands on the barge watching a crate being lifted onto the dock.

Photograph showing a man standing on top of an pole derrick truck used for underground work. He is facing forward and looking at the camera with both hands on levers. Next to him is a metal arm attached to the truck, with a hook and pulley at the end. In the background is SW 5th Avenue, looking south towards SW Stark Street. The J.K. Gill Building can be seen on the left (corner of SW 5th Avenue and SW Stark Street), as well as the Yeon Building (522 SW 5th Avenue).

Photograph showing four men in work clothing moving a wooden utility pole. Behind the men, a truck with a tall pulley system is attached to the pole. In the background, a forested hillside can be seen, and a dirt road is visible directly in front of the photographer. (Image note: see related images PGE 49-30, PGE 49-32, PGE 49-54, and PGE 49-93).).

Photograph showing a man working with a truck and hoisting machine on top of a wooden dam structure. The man stands next to the truck. Water is visible at the base of wooden stucture, which appears to be filled with rocks.

Photograph taken from a high angle showing several men working with a truck and hoisting machine next to flowing water of the Willamette River. On the left side of the image, two men stand on a dock platform while one holds a wooden pole.

Photograph showing groups of men working on a dam in Oregon. Two men are standing in the shallow water, while another two are in a rowboat to the right. Another four men stand on top of the wooden structure to the left next to a hoisting machine. In the background, multiple smokestacks can be seen coming from a large industrial building.

Photograph showing a large generator component being moved with steel cables inside the Oak Grove powerhouse. In the background, a man can be seen looking upwards, while another is visible at the front of the frame looking towards the camera.

Photograph of a pole derrick being used to hoist utility poles. Two men stand to the right of the derrick while looking at the camera, and a third can be seen next to a horse behind the poles. A railroad track runs along the side side of the frame.

Photograph of a steel bridge over the Sandy River, showing two work cranes on train tracks. Behind the bridge are wooded hills, with a flowing river in the foreground.

Photograph showing work train #927 in front of a two-story wooden building. On the left side of the image, a brick drugstore can be seen. What appears to be a rope and pulley system are visible on the train car.

Workers laying new 56-inch pipe at Mount Tabor Park in Portland. Two men hold the end of a large pipe, which can be seen hanging from a hoisting machine (negative 5 of 8).

Workers laying new 56-inch pipe at Mount Tabor Park in Portland. A crane can be seen next to a long trench, holding a length of pipe. A man stands on the pipe, which can be seen extending uphill (negative 3 of 8).

Workers in hard hats stand on the McNary Dam on the Columbia River. A crane can be seen above a cement tower, lined with a railing. Engineers at the dam were attempting to trap and save blueback salmon to strengthen the 1951 run. Photographs from this series were published in the Oregon Journal on Sunday, July 15, 1951 (negative 13 of 26).

Workers during construction of the McNary Dam on the Columbia River. A crane is lowering a large unit, which is being guided by several workers wearing safety hats. They stand on a structure made of wood and rebar. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 21 of 42).

Panels from a dismantled apartment building being loaded onto a truck at Vanport City, following the end of World War II. A crane is being used to move the panels onto the back of a truck, where a man can be seen standing. A cropped version of this photograph was published in the Oregon Journal on Sunday, August 25, 1946 (negative 3 of 5).

Silver bars being moved at the Troutdale aluminum plant. One man uses a forklift on a stack of silver, while another watches. Stacks of silver can be seen throughout the room. A photograph from this series was published in the Oregon Journal on Thursday, April 11, 1946 (negative 2 of 7).

Crane operators Dotty Gossler (left), Frances Westover (right) at Kaiser Company, Swan Island. The two women are in raised boxes with “7” and 6” painted on the front, in an industrial building. This photograph was published on page 2C of the Oregon Journal on Sunday, June 6, 1943 (negative 1 of 3).

A night photograph showing a ship stern segment being lifted at Oregon Shipbuilding Corporation. A hoist is holding the segment in the air, above the metal structure of a ship. Wooden scaffolding can be seen throughout the scene (negative 5 of 7).

A night photograph showing a ship stern segment being lifted at Oregon Shipbuilding Corporation. Workers can be seen standing at the base of the metal piece, which is being lifted by a hoist (negative 2 of 7).

A worker at Albina Engine & Machine Works in Portland uses a crane hoist to hold a large metal ship piece. The metal structure has been lined up with a flag pole, which is attached to a building in the distance (negative 3 of 5).

War workers at Marine Electric Company or Willamette Iron and Steel Corporation in Portland, standing in front of a hoist holding a large chain. They’re wearing heavy aprons and appear to be working in a warehouse (negative 4 of 11). Original sleeve title: War industry workers - Marine Electric Company, Willamette Iron and Steel Corporation.