Mine Hill Centennial Celebration, September 23rd July 18, 2023 On September 23rd we will be celebrating Mine Hill’s 100th Anniversary! Please see the flyer below for the schedule of events. Centennial shirts are still available- $15, limited sizes available. Interested in being a vendor or participate in the parade? Please contact Laurie at 973-366-9031x 9 or LBetz@minehill.com.