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Created1926-05-25
Description

Joseph Simons to Carl T. Hayden re: Imperial Valley farmers support for Boulder Canyon Project, May 25, 1926.

Created1962-03-08
Description

Frederick G. Dutton to Carl T. Hayden, March 8, 1962 re: State Department Position on Mexican Water Salinity Claims.

Created1928-11-24
Description

Report of Colorado River Board on the Boulder Canyon Project to the Secretary of the Interior, 11/24/1928.

Created1962-01-24
Description

Official report of proceedings before the Department of the Interior in the matter of Secretary's Conference re: Mexican water Treaty, January 24, 1962.