Report to the President by the Emergency Board appointed by Executive order 11664, dated March 31, 1972, pursuant to section 10 of the Railway labor act, as amended, to investigate a dispute between the Penn Central Transportation Company and certain of its employees represented by the United Transportation Union. NMB case no. a-9138, sub nos. 1 through 10. Washington, D.C., May 15, 1972. No. 180 | lit.salon