Photograph showing construction of stack at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). One worker stands on a ledge of the stack, while two others look at the camera.

Photograph showing turbine construction at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Several large machines can be seen in the room, with a hole visible in the brick wall behind.

Photograph taken from a distance, showing the completed smokestack of Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). The large stack can be seen in the middle of the frame, next to a smaller wooden building. Several other stacks and utility poles can be seen in the distance.

Photograph showing interior construction at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Two large pieces of round machinery can be seen in the background, with woods crates in the front.

Photograph showing a large engine driven generator at Station C (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue).

Photograph showing a group of workers during the construction of the boiler room at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Several men sit in a row at the base of the structure, with two sitting above. A man in a suit stands at the back on the right side of the frame.

Photograph of a construction at the Cazadero Dam during construction. Wooden structure is visible with water from the Clackamas River flowing through the bottom, towards the camera.

Photograph showing construction of Cazadero Dam. Several workers can be seen in the distance at the top of a stacked wooden dam structure, with a dirt hillside above. The Clackamas River is visible at the bottom of the dam, and trees (possibly burnt) can be seen at the top of the hill.

Photograph showing construction (likely the boiler room) at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). A pile of bricks sits near the front of the frame, and the boilers can be seen further in the background.

Photograph showing the water circulation system at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). A man looks at the camera while a pipe sprays a stream of water into the river. Several large ships and barges can be seen in the distance.

Photograph showing construction at Cazadero Dam. The Clackamas River can be seen flowing through the bottom of the dam, and trees are visible on the hillside in the distance. (Image note: similar to PGE7-6, but appears to show further stage of completion).

Photograph showing an oil tank during construction at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Near the top of the frame, several men look at the camera.

Photograph showing generator units under construction at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Behind the units, brick walls can be seen, with a ladder installed.

Photograph showing engines at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). A man in overalls stands on a platform on the left side of the frame.

Photograph showing an engine exciter at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Two men in overalls stand to the left of the machine, looking at the camera. The man on the right is holding a small mechanical wheel.

Photograph showing the Cazadero Dam during a flood, before the placement of a new apron. Fast flowing water spills over the dam.

Photograph showing the interior of Station E during construction (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Two men can be seen looking at the camera, with one standing in front of the unit, and another above at the top of a ladder. Large windows are visible on the other side of the large industrial machine.

Photograph showing construction at Cazadero Dam. The Clackamas River can be seen flowing through the bottom of the dam, and trees are visible on the hillside in the distance.

Photograph showing construction at Cazadero Dam. The Clackamas River can be seen flowing on the right side. Ice formations are on the hillside to the left, and snow and frost can be seen on the wooden dam structure.

Photograph showing the interior of the Cazadero power station at Station G, with the first three generating units. Large rounded windows can be seen on the right side of the high peaked room, and on the side of the generators is written “Allis Chalmers Company.”

Photograph showing exterior damage one day after the 1908 wreck at the Cazadero Dam/Station G due to equipment malfunction. Broken windows and a damaged roofing are visible. Water flows out of pipes in the bottom of the building over the water.

Photograph showing interior damage one day after the 1908 wreck at the Cazadero Dam/Station G due to equipment malfunction. The floor is littered with debris, and a piece of a generator is visible on the left side of the frame. Windows and roofing materials show extensive damage.

Photograph showing interior damage one day after the 1908 wreck at the Cazadero Dam/Station G due to equipment malfunction. A man stands with debris while looking at the camera, and windows and roofing materials show extensive damage.

Photograph of generator unit #3 at Cazadero Dam/Station G, taken two months after the 1908 accident due to equipment malfunction. On the front of the unit “General Electric Company” is written. A man stands on the left side of the frame with one hand on a wheel.

Photograph showing the fishway Cazadero Dam/Station G. A man sits in a boat looking at the camera, with the wooden dam structure is visible behind. Part of the flume can be seen along the right side of the frame.

Photograph taken from across the water, showing the employee cottages at Cazadero Dam/Station G. Building can be seen at the top of the hill above the river, with several small wooden structures in front of three long buildings. A railroad car is parked on the left side of the frame.

Photograph taken from a side angle, looking across a suspension bridge at Cazadero Dam/Station G. The bridge leads to steps, which go to the top of the hill across the water. Several buildings and transmission poles can be seen at the top of the hill. On the left side of the frame, the edge of a brick building can be seen.

Photograph showing the main turbine unit at Cazadero Dam/Station G. On a small sign at the front of the unit is written “847.” (image note: glass plate is broken on two edges).