Document: Motion By Secretary of the Interior for a Further Suspension of Proceedings, Int. Rev. Dradft 9/12/66, page 34. Public Law 88-491 was passed with the license applications affecting Marble Canyon and Bridge Canyon specifically in mind. That Congress had a substantial concern with the issues posed by proposals to develop both sites was manifest. Congress took action to assure that its hand not be forced and its options not be foreclosed by a Commission license. As the Senate Committee on Interior and Insular Affairs stated on May 14, 1964, in its favorable report on the then pending measure (S. 502): The question posed by the application [of Arizona Power Authority] before the Federal Power Commission is whether the Congress shal...