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United States. Soil Conservation Service
Thomas Alan Kirkeeng
California. Bureau of State Audits.
Luther T. Wallace
United States. Congress. House. Committee on the District of Columbia
Montana. Legislative Assembly. Legislative Council.
United States. Congress. Senate. Committee on Energy and Natural Resources.
Water Project Authority of the State of California.
United States. Congress. House. Committee on Natural Resources.
United States Reclamation Service
Geological Survey (U.S.). Water Resources Division. Texas District.
South Carolina Association of Soil Conservation District Supervisors. History Committee.
California. Office of State Engineer.