The collection consists of reports, meeting minutes, agendas, notes, speeches, legal documents, contracts, and other materials related to California water issues in the 1960s and 1970s.

The collection consists of press releases, speeches (many by former DWR Directors), news clippings, reports, photographs, and miscellaneous memoranda on California water resources development during the period 1950-1965.

The collection consists of the working papers for the Task Force's final report, published in 1982 by the California Commission for Economic Development. Includes report materials pertaining to levees, hydrology of the Sacramento-San Joaquin Delta, and the Peripheral Canal.

The collection consists of correspondence, draft reports, papers, and news clippings pertaining to water resources development issues regarding State of California, Marin County, and San Francisco Bay Area.