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.

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 Ronald B. Robie papers consist of files and documents assembled by Robie during his years with the Assembly Committee on Water, the State Water Resources Control Board, and the California Department of Water Resources. The collection contains materials whose dates span from 1963-1982; the majority, however, are concentrated in the period from 1967-1979.

The collection consists primarily of speeches by Warne during his tenure as Director of the California Dept. of Water Resources, 1961-1966; also includes miscellaneous correspondence and articles written by Warne during this period.