In 1974 , Hilton ceased their management , and the structure was renamed the Detroit Heritage Hotel until it was abandoned in 1975 .
Hilton proceeded to remodel and modernize the hotel 's interior during the 1960s .
In 1974 , Hilton ceased Hilton 's management , and the structure was renamed the Detroit Heritage Hotel until it was abandoned in 1975 .
Hilton proceeded to remodel and modernize the hotel 's interior during the 1960s .