The collection consists of correspondence, reports, documents, and memoranda, relating to California's Central Valley Project, Lake Tahoe, East Bay Municipal Utility District, Pacific Gas and Electric Company, and public water and power supply system for other California municipalities.

The collection consists of articles, brochures, correspondence, maps, news clippings, publications, research notes, reports, etc., compiled by Malca Chall during the course of her career with the Regional Oral History Office (ROHO) of the Bancroft Library, University of California-Berkeley.

The collection consists of correspondence, reports, legislation, and memoranda concerning the diversion of water from the Klamath and Trinity Rivers into the Sacramento Valley, California.

The collection consists of primarily published and unpublished reports, prepared by Conkling in his capacity as a consultant in Los Angeles, California, pertaining to water resources development in Southern California.

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 miscellaneous reprints, newspaper clippings, press releases, pamphlets, etc., covering drought and water conservation in California and the western U.S.; materials produced by California Dept. of Water Resources, Metropolitan Water District of Southern California, North Coast County Water District, Alameda County Water District, East Bay Municipal Utility District, etc.

The colleciton consists of reports on the activities of the Department and speeches relating to the construction and financing of the State Water Project and particular sub-projects, and to the growing political controversy surrounding state water policy.

Papers include legislative histories of San Luis Act of 1959, Reclamation Act of 1902, Central Valley Project Act of 1933, and the Federal Power Act; also includes cumulated material on "unjust enrichment" in operation of State Water Project and on court cases involving the Dept. of Water Resources in period 1950-65; files on State Water Project financing.

The collection consists of reports, legal opinions, and comments concerning the Central Valley Project, water districts and reclamation districts, and water rights on the San Joaquin River and elsewhere in California.

The collection consists of speeches relating to the activities of the District, the State Water Project, and water resources development in the San Francisco Bay Area, particularly the North Bay Aqueduct.