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 men working in a trench at Station E while installing a circulation water system (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). A ladder leads up from the trench towards a dirt wall, and several large pieces of pipe are on the ground.

Photograph showing the installation of the boilers at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Two men stand at the top of wooden scaffolding while looking at the camera. A pile of bricks can be seen at the base of the wall, next to wooden debris and a wheelbarrow.

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 showing four men posing with boilers at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Two men stand at the front of the boilers while two others peak out near the top.