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, Lake Spaulding Dam, and other bridges and dams in California and elsewhere.

Charles Derleth, Jr., was born on October 2, 1874, in New York. He received a bachelor of science degree at the City College of New York in 1894 and civil engineering degree at Columbia University in 1896. He served as Instructor and Lecturer at Columbia from 1896 to 1901. He moved westward in 1901 to become Professor of Civil Engineering at the University of Colorado. In 1903 Derleth accepted appointment as Associate Professor of Structural Engineering at the University of California, Berkeley. In 1907 he became Professor and Dean of the College of Civil Engineering, and in 1930, when the Colleges of Civil, Mechanical, and Electrical Engineering were combined, he was appointed Dean of the College of Engineering. He served in this capacity until 1942.

13.69 linear feet (24 boxes)

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The collection is open for research.