Donald F. Mitchell of Vineyard Haven died Sept. 25 at Massachusetts General Hospital. He was 87. A graveside service was held on Monday, Sept. 30 in Sacred Heart Cemetery on Vineyard avenue in Oak Bluffs at 2 p.m. Arrangements are under the care of Chapman, Cole & Gleason Funeral Home in Oak Bluffs. A complete obituary will appear in a future edition of the Gazette.