Report to the President by Emergency Board No. 176 : appointed by Executive order 11486 dated October 3, 1969, pursuant to section 10 of the Railway labor act, as amended, to investigate disputes between carriers represented by the National Railway Labor Conference and the Eastern, Western, and Southeastern Carriers' Conference Committees and certain of their employees represented by the International Association of Machinists and Aerospace Workers, the Sheet Metal Workers' International Association, The International Brotherhood of Electrical Workers, and the International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers.