Photograph looking at a cascading waterfall, flowing down a cliff face and into a river, which extends towards the camera. Foliage can be seen around the waterfall. The body of water is the Deschutes River or the Crooked River.

Photograph looking upward at a waterfall flowing down a high basalt cliff face. Large columns of basalt can be seen above and below the waterfall, with foliage visible near the bottom of the image.

Photograph showing Billy Chinook Falls at Cove Palisades State Park. The waterfall is cascading down a rock wall made up of columnar basalt. Utility poles and electric lines can be seen at the top of the cliff.

Photograph taken from a high angle and looking downward towards a river at the base of a canyon (likely the Deschutes River or Crooked River). A man is seated on a hillside and facing downhill, with a cigar and notebook. (Image note: see related image PGE 59-240-61).

Photograph taken from behind two people, across the river and upwards at rock formations at Cove Palisades State Park area. The body of water is the Deschutes River or the Crooked River.

Photograph looking to the side and downward showing a cliff face and steep canyon. At the base of a canyon is a river (likely the Deschutes River or Crooked River).

Photograph taken from a low angle and looking upwards, showing a large wall of basalt rock formations in the Cove Palisades State Park area, prior to the construction of the Round Butte Dam (completed in 1965).

Photograph taken from a low angle and looking upwards, showing a large wall of basalt rock formations in the Cove Palisades State Park area, prior to the construction of the Round Butte Dam (completed in 1965).

Photograph showing a short wooden dam structure on an unidentified river (possibly the Columbia River). Several men can be seen on top of the structure, on top of which water is being diverted from a pipe. Rock cliffs, wooded hills, and buildings can be seen in this distance. Written on the negative is "49-178." (Image note: see likely related images PGE 49-154, PGE 49-161, PGE 49-170, PGE 49-172, PGE 49-174, PGE 49-175, PGE 49-184, PGE 49-185).

Photograph showing flowing waterfalls on an unidentified river (possibly the Columbia River?). Behind the waterfalls, possible dam infrastructure can be seen. In the background, more rocky cliffs can be seen, as well as a road and electrical lines. Written on the side of the negative is "49-170." (Image note: see related images PGE 49-154, PGE 49-161, PGE 49-172, PGE 49-174, PGE 49-175, PGE 49-178, PGE 49-184, PGE 49-185).

Photograph showing flowing waterfalls on an unidentified river (possibly the Columbia River?). In the background, more rocky cliffs can be seen, as well as a road and electrical lines. Written on the side of the negative is "49-161." (Image note: see related images PGE 49-154, PGE 49-170, PGE 49-172, PGE 49-174, PGE 49-175, PGE 49-178, PGE 49-184, PGE 49-185).

Photograph looking across the Clackamas River (?) at a dam site. Logs and flowing water are visible at the base of the rocky cliff. Written on the negative is “Upper Damsite at Intake, 5-4-20.”

Photograph showing three men on a steep hillside above the Clackamas River(?). One man sits towards the front of the group, while the other two behind are standing and looking towards the camera. At the base of the cliff is flowing water and logs. Written on the negative is “Lower Damsite at Intake, 5-4-20.”

Photograph showing the South Fork of the Clackamas river, looking towards a large rocky cliff-face. A man can be seen walking on a log in the river, while three others sit on a rock extending into the water. Written on the negative is “E301.09-O-36.”

Photograph showing the South Fork of the Clackamas River during a flood, taken from next to the river. On the left side of the frame is a rough cliff-face with fallen rocks. Written on the negative is “E301.09-O-43” and “21.”

Photograph showing an overhanging rocky cliff with a waterfall next to a flowing river (likely the Clackamas River). In the distance is a forested hillside visible above the river. Written on the negative is “Overhanging cliff near Roaring River Ranger Station 12/17/20” and “E301.09-O-16.”

Photograph looking upstream on the Clackamas River, past the new powerhouse site, taken from a point on right bank at bend. A steep river bank and trees are visible throughout the image. Written on the negative is “E301.09-O-148” and “R22.”

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 the Clackamas River in the river Mill area, with numerous “islands” and cliffs. In the distance, a railroad track crossing a bridge is visible. Cut trees can be seen at the right side of the frame. Written on the negative is “#M56. 8-1910.”

Photograph showing a bridge over the Clackamas River, taken from river level looking upward. In the background, a wooden suspension bridge can be seen across the cliffs behind the larger front bridge. Written on the negative is “Dec 22, ‘09 PRD 2007.”

Photograph showing a suspension bridge over the Clackamas River in near the River Mill dam area. The bridge crosses between two tall cliff faces, beyond which the river can be seen around. Snow is on the ground throughout the image. Written on the negative is “Feb 3, ‘10, PES 2014.”

Photograph looking downhill at the Clackamas River, at a potential future dam site for the River Mill Dam. Several cut trees can be seen on the closest hillside, and a rocky ledge is visible across the river. Written on the negative is “Dec 22, ‘09, PES 2013.”

Photograph showing the Clackamas River in the River Mill area, with numerous “islands” and cliffs. A wooden suspension bridge can be seen spanning two cliffs near the center of the frame, with numerous wooden buildings visible in the distance. Written on the negative is “#58M. 8-12-10.”

Photograph looking downstream looking towards the “island,” with a wooden suspension bridge visible. In front of the bridge a blurry man can be seen facing the camera. Beyond the bridge is a small wooden building next to several vertical poles. Written on the negative is “#60M. 10-10.”

Photograph looking across the Clackamas River, of a potential dam site for the future River Mill Dam. A rocky cliff-face can be seen across the water, as well as tree at the top of the frame. Written on the negative is “Oct 22, ‘09, PES #2004.”