Henry S. McCluskey to Carl T. Hayden re: Colorado River Compact water allocations and Swing-Johnson Bill, December 15, 1926.

Henry S. McCluskey and Thomas Maddock to Carl T. Hayden re: hydroelectric revenue, January 26, 1927.

Report on Feasibility Bridge Canyon Route Central Arizona Project, by E.A. Moritz, Bureau of Reclamation. Project Planning Report, No. 3-8b.4-1, February 1947.

Pacific Southwest water plan report, January, 1964. Floyd E. Dominy, Commissioner.

Henry S. McCluskey and Thomas Maddock to Carl T. Hayden re: hydroelectric power and taxation, January 24.

No statute relating to navigable waters prohibits Imperial Irrigation District taking water. Extract of opinion by Phil D. Swing, 10/29/1919.

 Superimposed on Yuma Irrigation Project map of 1949.