Report to the President by Emergency Board appointed by Executive order 10615, June 17, 1955, pursuant to sec. 10 of Railway labor act, as amended, to investigate dispute between certain carriers represented by Eastern, Western, and Southeastern Carriers' Conference Committees and certain of their employees represented by Brotherhood of Locomotive Firemen and Euginemen, NMB case A-4854, Washington, D. C., July 30, 1955.