David Patrick Dwyer, 62, of Belt, Montana, a retired U.S Marine Corps and owner of Dwyer Cleaning Service, died of natural causes at a local hospital on Sunday, March 25, 2012.Graveside services will be held at Montana State Veteran Cemetery in Helena, Montana on Friday, March 30, 2012 at 2:00 p.m. Schnider Funeral Home is handling arrangements.David is survived by his daughter Brenda MacLeod of Phoeniz, AZ; his son, Joseph Dwyer of Missoula; his parents Bud and Emmajane Dwyer of Great Falls;brothers Don Dwyer of Monarch and Tom Dwyer of Great Falls; sisters Cathy Hiett of Wolf Creek,Patty Gilfeatherof Albuquerque, NM, Christine Murray of Bellingham, WA, Mary Wunderlich of Vaughn, Sharon Oellerman of Billings, Colleen Taylor of Highwood and Sue DeWitt of Spokane, WA; and four grandchildren.