Alaska Railroad Corp., Anchorage, is searching for an investment consultant for its $60.8 million defined benefit plan, $51.2 million 401(k) plan and $1 million 457 plan, according to the plan's website. The two defined contribution plans offer 19 investment options that mirror each other. Proposals are due Oct. 26. No timetable for making a selection was given. Althea Clapp, manager, did not return calls seeking additional information.