Photograph showing five men facing forward while standing in a line and holding a long wooden stick. Around the men is an area of knee-high foliage, and a wooden building in the background. (Image note: discoloration is visible at the top right corner of the negative. See related images PGE 16-131.1, PGE 16-131.2, PGE 16-131.4, PGE 16-131.5).

Photograph showing five men standing in a group and facing forward, all looking at the camera. The man on the far right is holding a long wooden stick in his left hand. Around the group is knee high foliage, with a wooden building visible in the background. (Image note: discoloration is visible at top and right portions of the negative. See related images PGE 16-131.1, PGE 16-131.2, PGE 16-131.3, PGE 16-131.5)

Photograph showing five men and an automobile, taken on a dirt road next to a rocky hillside. Four of the men are seated in the vehicle, while a fifth stands. All the men are facing forward and looking at the camera. (Image note: slight discoloration at left side of image. See related images PGE 16-131.1, PGE 16-131.2, PGE 16-131.3, PGE 16-131.4)

Photograph showing a caterpillar machine and men standing in a clearing of logs and trees. The men on the right side look towards the caterpillar, which is being driven by a man on a bench seat, who is bent to his left. Written on the negative is “E301.09-O-172.” (Image note: discoloration is visible on right and bottom edges of negative).

Photograph showing a man in a cart attached to a cable crossing the Clackamas River at Three Lynx. He is facing forward while looking slighty to the side, with his hands in his lap. Trees and rocks can be seen on the far shore. Written on the negative is “E301.09-O-178.”

Photograph showing a group of forward facing people, taken next to an automobile. The automobile is facing to the side, and has open air seating. Tent cabins can be seen in the background. Written on the negative is “E301.09-O-235” and “R-12.” (Image note: significant discoloration can be seen along the right side of the negative).

Photograph showing horse teams grading a dirt road cut. On the right side of the image is a forested hillside, and one the left is a loose dirt hillside. Written on the side of the negative is “E301.09-O-231.” (Image note: discoloration visible on the right side of the negative).

Photograph showing men standing on a wooden platform looking at the camera. On top of the platform is a makeshift ladder leading to a pulley and rope. Written on the negative is “E301.09-O-239” and “R-8.”

Photograph from a high angle showing a building on pillars in the snow (saw mill?). A men can be seen standing at the edge of a wooden deck looking away from the camera. Written on the negative is “E301.09-O-294.”

Photograph showing the northern side of the wooden North Fork trestle bridge, before completion. Behind the bridge is a loose dirt hillside with trees at the top.

Photograph taken from a slightly high angle showing wooden structures and dirt roads in a camp area. Trees and a wooded hillside can be seen in the background.

Photograph taken from a side angle showing a wooden trestle bridge with an open gap before the installation of a steel span. Rocks and dirt can be seen in the foreground, and a hillside with bare trees behind the bridge. Written on the negative is “E301.09-O-296.”

Photograph taken from a side angle showing a raised wooden building in a clearing at “straights flat terminal.” Piles of cut wooden plants can be seen next to the building. Written on the negative is “E301.09-O-298.”

Photograph showing a cluster of tent cabins in an open area of snow. Each cabin has a chimney, many with smoke. Snow laden trees can be seen in the background.

Photograph taken from above showing a snow laden landscape. On the right side of the frame a cluster of buildings can be seen (headquarters camp), and on the left is the Clackamas River.

Photograph showing two Russel 15-30 steam tractors being used to saw lumber. An awning is stretched over the area, and a wooden building can be seen in the background.

Photograph showing the Clackamas River (Oak Grove fork?) looking downstream from the powerhouse site for the Oak Grove dam. Snow can be seen on the ground and trees throughout the image. Written on the negative is “E301.09-O-309.”

Photograph showing the Clackamas River flowing at the base of a rocky cliff. Disturbed dirt and debris can be seen on the left side of the image, falling towards the water. Written on the negative is “E301.09-O-136” and “Je-2-22.”

Photograph showing a flowing Clackamas River, looking upstream towards a small group of buildings on the far shore. Written on the negative is “E301.09-O-352.” (Image note: native sleeve indicates image taken from lower end of roaring river bluff).

Photograph looking downward the Clackamas River in the narrows area near Three Lynx. Trees and rocks line the river on both sides, and wooded hills can be seen in the background. Written on the negative is “E301.09-O-318.”

Photograph showing temporary at construction camp in the Oak Grove area. Several tent cabins and wooden buildings can be seen in the distance in front of wooded hills. At the right side of the image, several men and a tractor are on a short wooden bridge. Written on the negative is “E301.09-O-333.”

Photograph showing a wooden sawmill building at Davis Ranch taken in the snow. Logs can be seen on the ground in front of the building. Smoke or steam is coming out of several pipes on the building, and men can be seen standing in and in front of the structure. Written on the negative is “E301.09-O-336.”

Photograph showing a canvas and wooden cook house building in the snow at camp #9. The building is on a raised wooden platform. In the background is a wooded hillside, with some logged trees visible. Written on the negative is “E301.09-O-329.”

Photograph showing a men at a sawmill in a forested area at construction camp. A tractor can be seen in the background, likely being used to run a motorized saw. Other saw blades and belt drives can be seen in the image.

Photograph showing small wooden building with piles of cut lumber in front of a steep logged hillside. On the right side of the frame, the Clackamas River, or Oak Grove Fork can be seen, and snow is on the ground throughout the image. Written on the negative is “E301.09-O-369.”

Photograph looking across an open area at a logged hillside in a densely wooded area at a future transmission line site between Three Lynx Creek and the Oak Grove powerhouse site. Snow can be seen on the ground throughout the image.

Photograph showing workers with a tacoma logging engine in snow conditions on a road. In the background is a dense wooded area. (Image note: negative sleeve indicates “on road below sta F.L. 340”).

Photograph showing a wooden bunkhouse in the snow, showing long icicles extending from the roof line. Another wooden building and two tent cabins can be seen in the background.