Records, 2002, of the Emergency Measures Office of Houghton County, Michigan. Includes documents from the readdressing process in order to update the emergency 911 system. Documents show old addresses, plat and lot number, owner of record in 2001, and new addresses assigned in 2001. In addition, in the Calumet area, the old address is generally the Calumet and Hecla Mining Company house number.