Contains photographs of the Tumalo Irrigation Project, the Umatilla Project, Celilo Falls, the Gold Ray Dam on the Rogue River, the Portland Railway, Light, & Power Company's power plant on the Clackamas River, and bridges on the Columbia River Highway, McCord Creek, and the Sandy River, among other unidentified images. Some of the photographs in this album were taken by Angelus Commercial Studio of Portland, Oregon, and Benjamin Gifford. This album may have been assembled for or by Percy A. Cupper, state engineer of Oregon from 1918-1922, as his name appears on the backs of some of the photographs.