This page allows you to see a list of Keweenaw History events relating to Keweenaw County Post Offices.
August 2018
08/31/1912-The post office at Delaware Mine was discontinued again and the mail sent to Phoenix
August 31
September 2018
09/15/1977-The Isle Royale National Park post office is discontinued, the mail sent to Grand Portage, MN
September 15