Compacted backfill is being placed behind the retaining wall extension, shown just to the right of the center of the picture, by George Nolte and Company, subcontractors of Bellingham, Washington. One of the trucks used to transport the fill material is ready to dump its load while an International bulldozer prepares to spread and roll the first lift. A laborer is hand tamping the area adjacent to the wall with a pneumatic tamper. The Right Powerhouse Road and parking lot can be seen in the foreground, while to the north in the background are the

Columbia River and Coulee Dam Engineers Town. Contractor: McAtee and Heather Contract 12r-19415 Specifications No. O-3336. Grand Coulee Dam, Columbia Basin Project,

Washington.

– September 19, 1951