The Cornerstone Prison Church Council, Board, and Congregation would like to invite you to celebrate their 20th year of God’s faithfulness inside the walls of the South Dakota State Penitentiary. They’ll be hosting their annual benefit banquet on Monday, April 7th, at 6:30 pm at the Trinity Christian Reformed Church. Doors will open at 6:00 pm. RSVP for the banquet by March 30th by calling 476-5292 or by visiting their website cornerstonepcsd.org.