Photograph showing men working along an unidentified river (possibly the Columbia River). Three men can be seen along the top of a wooden wall, while two others stand on a wooden board at water level. The top of a diving helmet can be seen in the water. In the background is a cliff, and a transmission tower can be seen in the distance. Written on the side of the negative is "49-154." (image note: see related images PGE 49-161, PGE 49-170, PGE 49-172, PGE 49-174, PGE 49-175, PGE 49-178, PGE 49-184, PGE 49-185).