Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
== {{int:filedesc}} == {{Information |Description=The Grand Rapids inset from the October 1, 1957, edition of ''Official Highway Map'' |Source=Michigan State Highway Department |Date=1957-10-01 |Author= MSHD |Permission=State maps were not copyright prot