SCHLESINGER ISSUES RENEWED WARNING ON IRAN'S OIL FLOW
Sec Schlesinger says oil shortages could become as serious as they were during '73-74 Arab oil embargo if Iranian situation does not change by June, HR subcom hearing on Feb 13; says there is no disagreement on matter between him and Sec Blumenthal; says US cannot count on oil from Mex to cover Iranian shortfall; says that to cut cost of shipping Alaskan crude oil to Gulf and East Coasts, Adm is considering request to Cong to export Alaskan oil to Japan under exch agreement; illus (M)
