Dams -- Oregon -- Design and construction

Donald Lowry Houghton was a Concreate Engineer for EBASCO Services dam building projects, including the Pelton Dam built for Portland General Electric on the Deschutes River in 1958. The Donald Lowry Houghton Pelton Dam construction collection contains in house reports, catalogues, blueprints, letters, and documents detailing the construction of the first Pelton Dam.

Harold A. Rands (1871-1952) was a civil engineer who superintended hydroelectric installations, was in charge of power and flood control surveys on the Columbia River and tributaries for the U. S. Corp of Engineers, and served as senior engineer for the construction of the Bonneville Dam and powerhouse complex. The collection contains field diaries, correspondence, reports, project files including Columbia river and Bonneville Dam projects, and photographs.