Boulder Dam. Charges for electrical energy generated at Boulder Dam, hearings, 76th Congress, 3d session, on H. R. 9093 and H. R. 9877, bills authorizing Secretary of Interior to promulgate and to put into effect charges for electrical energy generated at Boulder Dam, providing for application of revenues from said project, authorizing operation of Boulder power plant by United States directly or through agents, and for other purposes, Mar. 29-May 28, 1940.

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