The Vincennes City Board of Works and Safety Monday approved Mullen Supply of Bicknell to demolish 11 dilapadated buildings in the city as part of it’s Blight Elimination Program. The cost will be around $97,000 for the work. Of those 11 homes 5 are located in the 100 block of West Jefferson Street. Others are on Perry, Prairie, Broadway, State, Busseron, and North 12th Streets.