 A post office opened May 16, 1870 and was discontinued August 14, 1879, after a fire destroyed the village.The Onota post office was reestablished and transferred on May 18, 1881, to a mining site in Onota Township approximately to the west, before being discontinued on February 29, 1924.Raw materials and supplies were unloaded from ships and pig iron was loaded onto ships docked at a pier built for that purpose which extended about into Lake Superior.