Photograph showing a partially completed suspension bridge over the Clackamas river near the River Mill Dam site. Cliffs and trees can be seen throughout the image. Written on the negative is “Dec 22, ‘09 – PES 2009.”

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 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.”