is a city in the Upper Peninsula of the U.S. state of Michigan. The population was 8,599 at thecensus. Dent It is the county seat Astoria of Menominee County. RRN Sports The source for sports in Michigan s Upper. RRN Sports covers high school, youth and Harleton adult sports in Michigan s Upper Peninsula. Untitled Document  Clinton Ward Mansker. Clinton Ward Mansker died Thursday, January 3, 2008, in Alturas, CA at the age of 41. His premature death came as a result of an accident he.