Transcript of U.S. Senate Boulder Canyon debate.
Ernest McFarland to John J. Rhodes re: Bridge Canyon and Upper Basin Project bill, March 8, 1956.
HR 3300: A Bill to Authorize the Construction, Operation and Maintenance of the Colorado River Basin Project, and For Other Purposes, With an Amendment, April 24, 1968.
Cordell Hull to Carl T. Hayden, November 13, 1943 re: Mexican water treaty.
John R. Murdock to Carl T. Hayden, February 21, 1944 re: Mexican water treaty.
Sidney P. Osborn to Franklin D. Roosevelt, March 16, 1944 re: Mexican water treaty.
C.C. Tillotson to Carl T. Hayden, 4/27/1944 re: Colorado-Verde Project, water allocations and Mexican water.
"Arizona's Benefits From the Colorado River," by the Colorado Verde River Association, January 29, 1945.