The commissioner shall confer with representatives of other States in the Colorado River basin, representatives of the United States, and others concerning problems and measures relating to the development of the Colorado River basin, the use of the water of the Colorado River System, and the protection of the interests therein of the State and of the United States, and shall negotiate respecting such problems and measures and discuss the same and formulate and recommend to the Governor and the Legislature measures, agreements, and legislation deemed for the benefit of the State and the United States.