[?]

May 1972, ICC denied abandonment of Manitowoc, Wis. to Frankfort, MI. carferry route - failed to show that it was losing money.

1972 - 300 – 50 ton box cars purchased – ordered (July 29, 1964, 122 box cars sold and 60 new covered hoppers were substituted), 50 – 70 ton cover hoppers from AA RR annual report 1972

Ann Arbor defaulted on its VIKING loan November 1, 1972 and was allowed by Detroit, Toledo & Ironton to file bankruptcy a year later.