Weather modification experiments. : Hearing before the Committee on Interstate and Foreign Commerce, House of Representatives, Eighty-third Congress, first session, on H.R. 1064 and H.R. 2580, bills to create a committee to study and evaluate public and private experiments in weather modification; H.R. 1584, a bill to authorize the Secretary of Commerce to provide for research and study, and in cooperation with the States, to establish appropriate safeguards, with respect to weather modification operations and the problems related thereto; S. 285, an act to create a committee to study and evaluate public and private experiments in weather modification. July 28, 1953.