Home News Hill Annex Mine State Park permanently closed to allow mining to resume Hill Annex Mine State Park permanently closed to allow mining to resumeJune 17, 2024News Minnesota Department of Natural Resources Hill Annex Mine State Park in Calumet has been deauthorized as a state park and is now closed. These actions… Login to continue reading Login Sign up for complimentary access Sign Up Now Close Previous Post From the Editor’s Desk Next Post Rain doesn't stop Montevideo Fiesta Days parade Featured Local Savings -