Abstract The collection consists of correspondence, engineering reports, blueprints, photographs, notes, and news clippings relating to Derleth's work as a consulting engineering on the Golden Gate Bridge, Carquinez Bridge, San Francisco-Oakland Bay Bridge, a proposed Richmond-San Rafael Bridge, Antioch Bridge, U.S. Engineer Foundation's Committee on Arch Dam Investigation, Spring Valley Water Company, and others. Also includes materials on masonry structures (chiefly dams), the Hetch Hetchy Project,...

Abstract

The collection consists of correspondence, reports, photographs, and miscellaneous material, relating to various bridges, dams, water supply systems, and hydroelectric power installations in California, including the Hetch Hetchy Project, the Los Angeles Aqueduct, the Golden Gate Bridge, the San Francisco-Oakland Bay Bridge, and to electrical distribution systems in California and British Columbia.