The collection consists of reports, maps, photographs, etc., documenting a tidal wetland restoration project and related shoreline design elements at Crissy Field in the Presidio of San Francisco, now a part of the Golden Gate National Recreation Area.

The collection includes correspondence, reports, drafts, notes, legal documents, maps, diagrams, and photographs relating to geologic investigation done for the Pacific Gas and Electric Company and other firms and agencies. The more important projects include Bodega Bay Atomic Park, Diablo Canyon Nuclear Power Plant, and Union Valley Dam. Also includes material on water disputes in Southern California.

The collection consists of reports and documents related to the proposed development (approved by the California Coastal Commission) of 1,062 acres extending from the inland side of the Pacific Coast Highway fronted by Crystal Cove State Park to the ridge of the San Joaquin Hills, and falling within the Muddy Canyon/Los Trancos watersheds.