Contains a Congressional record and information on facilities for public recreation and reports on the Kerr Bill regarding public recreational benefits of the Upper Colorado River Storage Project in the Western United States from April to May, 1957.

Contains Report of the Select Committee to study censure charges on S. Res. 301 from the second session of the 83rd Congress in 1954, a resolution to censure the Senator McCarthy from Wisconsin, and an original copy of the committee print of the report on S. Res. 301 from August 2, 1954.

Contains materials intended for a book about reclamation. It contains notes by Watkins for a book to be written on reclamation, correspondence, news clippings, notes, information, reports, and brochures from 1939 to 1970 concerning reclamation in the Western United States. Also includes information on the Colorado River Storage Project.

Contains correspondence, news clippings, press releases, pamphlets and brochures, statements, reports and memos, and information from 1954 to 1958 regarding pro-Colorado River Storage Project views.

Contains correspondence from March to April 1956 and news clippings from 1954 and 1956 to 1958 concerning the Arizona vs. California case of 1954. It also contains a copy and notes of the testimony of Paul D. Christensen given in August 1956 and government reports and record from the Supreme Court concerning the Arizona vs. California case of 1954.

Contains correspondence from 1955 to 1957 and statements concerning the Boulder Canyon Project in the Western United States on the Nevada-Arizona border. It also contains bills and notes from 1955 to 1957, a report by the Bureau of Reclamation done on May 20, 1941 and notes from 1955 concerning the Boulder Canyon Project.

Contains correspondence from 1947 to 1956 concerning the Central Arizona Project, a report by the Secretary of the Interior about the Central Arizona Project from 1949, statements from June 5, 1951, and information from 1949 about the Central Arizona Project in the Western United States.

Contains correspondence from 1947 to 1956 and 1965 to 1972, news clippings from 1954 to 1971, and statements and addresses from 1946 to 1956 concerning the Central Utah Project as part of the Colorado River Storage Project in the Western United States. In addition, contains reports and pamphlets from 1966 to 1968, congressional records and bills from 1948 to 1958, and miscellaneous notes and information from 1955 to 1970 also referring to the Central Utah Project.

Contains correspondence, clippings, reports, publications, and other material related to the Colorado River Storage Project. Includes information on project's history, legislation surrounding the project, and correspondence with citizens and professional groups. Also includes material on various construction projects undertaken as part of the larger project, including construction in Utah. Materials date from between 1902 and 1973.

Contains general correspondence, reports, statistics, government reports, news clippings, statements, bills, notes, brochures and pamphlets from 1920 to 1968 concerning the Colorado River Storage Project in the Western United States.