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 dam at Willamette Falls in Oregon City. In the center of the frame is Willamette Falls, with water cascading down. In the distance across the water, buildings can be seen along a hillside.

Photograph showing a dam at Willamette Falls in Oregon City. In the center of the frame, water cascades through an opening between a building and dam structure. Numerous other buildings and utility poles can be seen throughout the image.

Photograph showing a dam at Willamette Falls in Oregon City. Water flows past a rough wooden wall in the center of the frame. On the left a power plant building can be seen, with out structures further up the hill in the background.

Photograph showing the boilers at Station E in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. Written at the top of each boiler is “Cahall Safety Boiler, The Aultman & Taylor MCH Y Co. Builders, Mansfield, Ohio.”

Photograph showing the boilers at Station E in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. Written at the top of each boiler is “Cahall Safety Boiler, The Aultman & Taylor MCH Y Co. Builders, Mansfield, Ohio.”

Photograph showing the interior of Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue), taken from a high angle. Several large pieces of machinery can be seen throughout the run, as well as electric lights.

Photograph showing the Faraday flume for generating Station G. Below the flume structure, the Clackamas River can be seen, with several small waterfalls flowing off the hillside above.

Photograph of the interior of Station L showing a large electrical system. A sign says “Trans C21-22-23 Trans C11-12-13 Neutral Ground Sw. Neutral Ground SW.”

Photograph showing exterior and large machinery in Station L building. Several large generators can be seen on the main floor, with all peaked ceiling.

Photograph of an electrical unit (generator?) at Station L (now Oregon Museum of Science and Industry). A set up steps leads to an upper part of the unit, next to several round gauges. In the background, several other pieces of electrical equipment can be seen in front of large windows.

Photograph showing a large electrical unit (generator?) at Station L (now Oregon Museum of Science and Industry). In the foreground of the image is a wooden crate with pipes. Written on the negative is “4-15-21.” Also on the back of the negative is written “E-301-L-3326.” (image note: see related image PGE-12-76, PGE 12-77, PGE 12-79).

Photograph showing a large electrical unit (generator) at Station L (now Oregon Museum of Science and Industry). Two holes can be seen in the floor in front of the unit, and several pipes are visible in the background. Written on the negative is “PGE 12-76” and “5-28-21.” Also written on the image in pencil is “E-301-L-3330.” (Image note: see related image PGE 12-72, PGE 12-77, PGE 12-79).

Photograph showing a large electrical unit (generator?) at Station L (now Oregon Museum of Science and Industry). On the left side of the frame is a wooden crate and wooden boards. Written on the negative is “4-19-21.” (Image note: see related image PGE-12-72, PGE 12-76, PGE 12-77).

Photograph showing electrical equipment and pipes at Station L (now Oregon Museum of Science and Industry). Several gauges, wheels and levers can be seen throughout the image. In the background, metal sheeting can be seen on the far wall. Written on the image is “8-5-1921.” (Image note: see related images PGE 12-72, PGE 12-76, PGE 12-79).

Photograph showing the exterior of Station L taken from across the water (now the Oregon Museum of Science and Industry) with several buildings visible. The hog fuel pile can be seen on the right, and several loaded barges can be seen next to the docks on the left side of the image. The Willamette River is in the foreground. Part of the image is masked with paper.

Photograph showing five men looking at the camera and standing in the metal framework on a support tower in the process of being built. Water and a section of a dock can be seen on the right side of the image, next to a large brick building with several rows of windows. Written on the negative in pencil is “E-301-L-3269, first panel of tower support for cinder collector, Sta. L., May 13 1922.”

Photograph showing a temporary work camp built on the Oak Grove Fork of the Clackamas river during the Oak Grove construction project. Several white tents can be seen across the water, in front of a thick forest of pines. In the foreground, stumps and logs can be seen along the waters edge.

Photograph of bus #63, with name “Pacific N.W. Public Service” written on side, and “Powell Blvd” displayed on front panel. Bus is parked on the side of a paved street with wooded hills and electric lines in the background.

Photograph showing a brick and wood building with two smokestacks. In front of the building is a dirt road, and several wheels can be seen on either side of the building. In the background are other buildings, utility poles, and electric lines. Written on the negative is “S324” and “July 1911 Vancouver Sub. Sta.”

Photograph showing a ferry at Hayden Island, with a dirt road leading to a loading dock for automobiles and horse-drawn carts. On the ferry is a sign with “City of Vancouver” written on it. The Columbia River can be seen behind the ferry, as well as a metal bridge spanning the water (likely the Burlington Northern Santa Fe bridge 9.6).

Photograph taken from a side angle showing a ferry at Hayden Island on the Columbia River, which appears to be behind a wooden dock. On the ferry is a sign with “City of Vancouver” written on it. Wooden pillars can be seen in the water in front of the ferry, and a bridge is in the distant background ((likely the Burlington Northern Santa Fe bridge 5.1).

Photograph of train car with “Willamette Valley Railway Company” painted on side. Several tracks can be seen around the train, as well as wooden poles and power lines. In the distant background, two automobiles are visible, as well as two wood structures next to a dirt road.