Contains correspondence from 1955 to 1958 concerning the Colorado River Storage Project in the Western United States and water policy, proposals, statements, congressional records, reports, bills, and newspaper clippings from 1954 to 1959, and brochures and notes regarding water policy.

Contains correspondence, clippings, proposals, and other materials related to public works in the United States, with a particular focus on water resource and land development. Includes information on water treatment and recreation. Materials date from between 1950 and 1959.

Contains correspondence, articles, clippings, and other materials related to American rivers and harbors. Includes information on the management of these waterways, as well as flood control and transportation. Some of the files deal specifically with the Saint Lawrence Seaway. Materials date from between 1952 and 1958.

Contains correspondence and reports referring to the Saline Water Conservation Program from 1955 to 1956 as well as newspaper clippings from 1956 to 1957. Also included are the Third Annual Report of the Secretary of the Interior from January 1955 and the congressional record and reports concerning the Saline Water Conservation Program from 1956 to 1958.

Contains correspondence from 1955 to 1958 concerning the Colorado River Storage Project in the Western United States and water policy, proposals, statements, congressional records, reports, bills, and newspaper clippings from 1954 to 1959, and brochures and notes regarding water policy.