Photograph of an explosion conducted by Portland & Seattle Railway to clear way for the construction of a railroad. The explosion appears to lift a hill as dirt and debris fly into the air. Handwritten note on the back of the print reads, "95 ton explosion, Cow Creek Wash, photo caught just as powder was lifting the hill."

Photograph showing clouds of debris rising from an explosion conducted by Portland & Seattle Railway to clear way for the construction of a railroad. Taken at Cow Creek, Washington. Handwritten note on the back of the print reads, "95 ton explosion, after the rock had settled."

Photograph of a man examining the branches of a small tree in an orchard in Washtucna Valley, Washington. The tree is a little taller than the man. The trees in the orchard are bare. Handwritten note on the back of the print reads, "Washtucna Valley, Adams County, Wash."

Photographic postcard showing roughly 30 horses pulling a combine harvester down a hill in a grain field in Washtucna, Washington. Several farm workers pose on the farm machinery. Handwritten label on the front of the postcard reads, "Colliers Combine Harvester, Washtucna. Ash." Handwritten note on the back of the postcard is crossed out. It reads, "Combine at work, H. Collier Ranch, Washtucna."