Materials collected and arranged by the San Francisco Department of Public Works documenting the planning of the San Francisco-Oakland Bay Bridge. Includes newspaper clippings, reports, hearings, correspondence, journals, construction proposals and engineering plans, legislative documents, agreements, applications, contracts, resumes, boring and other technical data, blueprints, and photographs. Bulk of the collection consists of proposals and engineering plans of bridge design, circa 1926, when over a dozen proposals were being considered by the San Francisco Board of Supervisors, though none were chosen as the final plan. Documents were created by companies competing for construction of the bridge, their engineers, the San Francisco Board of Supervisors reviewing the proposals, and the San Francisco Department of Public Works as represented by City Engineer M. M. O’Shaughnessy.
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